Finding the Fourth Proportional to 2,171,510,377.98, 2,996,444,546.50 and 1,218,672,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,510,377.98 : 2,996,444,546.50 = 1,218,672,573.50 : x
2. Step 2: Convert to fraction form
   2,171,510,377.98/2,996,444,546.50 = 1,218,672,573.50/x
3. Step 3: Cross multiply
   2,171,510,377.98x = 2,996,444,546.50 × 1,218,672,573.50
4. Step 4: Simplify right side
   2,171,510,377.98x = 3,651,684,786,833,195,520
5. Step 5: Solve for x
   x = 3,651,684,786,833,195,520/2,171,510,377.98
6. Step 6: Final answer
   x = 1,681,633,587.32