Finding the Fourth Proportional to 156,883.62, 216,517.82 and 93,221.47

Step by Step Solution

1. Step 1: Write the proportion equation
   156,883.62 : 216,517.82 = 93,221.47 : x
2. Step 2: Convert to fraction form
   156,883.62/216,517.82 = 93,221.47/x
3. Step 3: Cross multiply
   156,883.62x = 216,517.82 × 93,221.47
4. Step 4: Simplify right side
   156,883.62x = 20,184,109,461.60
5. Step 5: Solve for x
   x = 20,184,109,461.60/156,883.62
6. Step 6: Final answer
   x = 128,656.58