Finding the Fourth Proportional to 118,069.97, 162,931.83 and 64,353.86

Step by Step Solution

1. Step 1: Write the proportion equation
   118,069.97 : 162,931.83 = 64,353.86 : x
2. Step 2: Convert to fraction form
   118,069.97/162,931.83 = 64,353.86/x
3. Step 3: Cross multiply
   118,069.97x = 162,931.83 × 64,353.86
4. Step 4: Simplify right side
   118,069.97x = 10,485,292,177.36
5. Step 5: Solve for x
   x = 10,485,292,177.36/118,069.97
6. Step 6: Final answer
   x = 88,805.75