Finding the Fourth Proportional to 156,426.30, 234,499.12 and 56,563.02

Step by Step Solution

1. Step 1: Write the proportion equation
   156,426.30 : 234,499.12 = 56,563.02 : x
2. Step 2: Convert to fraction form
   156,426.30/234,499.12 = 56,563.02/x
3. Step 3: Cross multiply
   156,426.30x = 234,499.12 × 56,563.02
4. Step 4: Simplify right side
   156,426.30x = 13,263,978,273.13
5. Step 5: Solve for x
   x = 13,263,978,273.13/156,426.30
6. Step 6: Final answer
   x = 84,793.79