Finding the Fourth Proportional to 115,435,522.42, 159,303,598.43 and 65,874,909.40

Step by Step Solution

1. Step 1: Write the proportion equation
   115,435,522.42 : 159,303,598.43 = 65,874,909.40 : x
2. Step 2: Convert to fraction form
   115,435,522.42/159,303,598.43 = 65,874,909.40/x
3. Step 3: Cross multiply
   115,435,522.42x = 159,303,598.43 × 65,874,909.40
4. Step 4: Simplify right side
   115,435,522.42x = 10,494,110,112,942,600
5. Step 5: Solve for x
   x = 10,494,110,112,942,600/115,435,522.42
6. Step 6: Final answer
   x = 90,908,845.85