Finding the Fourth Proportional to 156,700.56, 235,144.24 and 56,868.56

Step by Step Solution

1. Step 1: Write the proportion equation
   156,700.56 : 235,144.24 = 56,868.56 : x
2. Step 2: Convert to fraction form
   156,700.56/235,144.24 = 56,868.56/x
3. Step 3: Cross multiply
   156,700.56x = 235,144.24 × 56,868.56
4. Step 4: Simplify right side
   156,700.56x = 13,372,314,321.09
5. Step 5: Solve for x
   x = 13,372,314,321.09/156,700.56
6. Step 6: Final answer
   x = 85,336.74