Finding the Fourth Proportional to 118,071.97, 162,934.59 and 64,355.86

Step by Step Solution

1. Step 1: Write the proportion equation
   118,071.97 : 162,934.59 = 64,355.86 : x
2. Step 2: Convert to fraction form
   118,071.97/162,934.59 = 64,355.86/x
3. Step 3: Cross multiply
   118,071.97x = 162,934.59 × 64,355.86
4. Step 4: Simplify right side
   118,071.97x = 10,485,795,663.20
5. Step 5: Solve for x
   x = 10,485,795,663.20/118,071.97
6. Step 6: Final answer
   x = 88,808.51