Finding the Fourth Proportional to 114,978,592.95, 158,671,102.71 and 65,418,965.61

Step by Step Solution

1. Step 1: Write the proportion equation
   114,978,592.95 : 158,671,102.71 = 65,418,965.61 : x
2. Step 2: Convert to fraction form
   114,978,592.95/158,671,102.71 = 65,418,965.61/x
3. Step 3: Cross multiply
   114,978,592.95x = 158,671,102.71 × 65,418,965.61
4. Step 4: Simplify right side
   114,978,592.95x = 10,380,099,411,486,268
5. Step 5: Solve for x
   x = 10,380,099,411,486,268/114,978,592.95
6. Step 6: Final answer
   x = 90,278,539.21