Finding the Fourth Proportional to 114,978,588.93, 158,671,097.20 and 65,418,961.42

Step by Step Solution

1. Step 1: Write the proportion equation
   114,978,588.93 : 158,671,097.20 = 65,418,961.42 : x
2. Step 2: Convert to fraction form
   114,978,588.93/158,671,097.20 = 65,418,961.42/x
3. Step 3: Cross multiply
   114,978,588.93x = 158,671,097.20 × 65,418,961.42
4. Step 4: Simplify right side
   114,978,588.93x = 10,380,098,386,032,322
5. Step 5: Solve for x
   x = 10,380,098,386,032,322/114,978,588.93
6. Step 6: Final answer
   x = 90,278,533.45