Finding the Fourth Proportional to 115,453,498.50, 159,328,394.01 and 65,892,880.62

Step by Step Solution

1. Step 1: Write the proportion equation
   115,453,498.50 : 159,328,394.01 = 65,892,880.62 : x
2. Step 2: Convert to fraction form
   115,453,498.50/159,328,394.01 = 65,892,880.62/x
3. Step 3: Cross multiply
   115,453,498.50x = 159,328,394.01 × 65,892,880.62
4. Step 4: Simplify right side
   115,453,498.50x = 10,498,606,845,877,252
5. Step 5: Solve for x
   x = 10,498,606,845,877,252/115,453,498.50
6. Step 6: Final answer
   x = 90,933,639.80