Finding the Fourth Proportional to 115,435,468.98, 159,303,524.58 and 65,874,855.96

Step by Step Solution

1. Step 1: Write the proportion equation
   115,435,468.98 : 159,303,524.58 = 65,874,855.96 : x
2. Step 2: Convert to fraction form
   115,435,468.98/159,303,524.58 = 65,874,855.96/x
3. Step 3: Cross multiply
   115,435,468.98x = 159,303,524.58 × 65,874,855.96
4. Step 4: Simplify right side
   115,435,468.98x = 10,494,096,735,627,820
5. Step 5: Solve for x
   x = 10,494,096,735,627,820/115,435,468.98
6. Step 6: Final answer
   x = 90,908,772.05