Finding the Fourth Proportional to 156,801.77, 235,188.78 and 56,962.82

Step by Step Solution

1. Step 1: Write the proportion equation
   156,801.77 : 235,188.78 = 56,962.82 : x
2. Step 2: Convert to fraction form
   156,801.77/235,188.78 = 56,962.82/x
3. Step 3: Cross multiply
   156,801.77x = 235,188.78 × 56,962.82
4. Step 4: Simplify right side
   156,801.77x = 13,397,016,141.16
5. Step 5: Solve for x
   x = 13,397,016,141.16/156,801.77
6. Step 6: Final answer
   x = 85,439.19