Finding the Fourth Proportional to 86,645,611,990.72, 119,553,039,156.27 and 50,023,092,721.60

Step by Step Solution

1. Step 1: Write the proportion equation
   86,645,611,990.72 : 119,553,039,156.27 = 50,023,092,721.60 : x
2. Step 2: Convert to fraction form
   86,645,611,990.72/119,553,039,156.27 = 50,023,092,721.60/x
3. Step 3: Cross multiply
   86,645,611,990.72x = 119,553,039,156.27 × 50,023,092,721.60
4. Step 4: Simplify right side
   86,645,611,990.72x = 5,980,412,762,863,169,437,696
5. Step 5: Solve for x
   x = 5,980,412,762,863,169,437,696/86,645,611,990.72
6. Step 6: Final answer
   x = 69,021,530,640.28