Finding the Fourth Proportional to 156,225.61, 234,338.76 and 56,456.27

Step by Step Solution

1. Step 1: Write the proportion equation
   156,225.61 : 234,338.76 = 56,456.27 : x
2. Step 2: Convert to fraction form
   156,225.61/234,338.76 = 56,456.27/x
3. Step 3: Cross multiply
   156,225.61x = 234,338.76 × 56,456.27
4. Step 4: Simplify right side
   156,225.61x = 13,229,891,274.63
5. Step 5: Solve for x
   x = 13,229,891,274.63/156,225.61
6. Step 6: Final answer
   x = 84,684.52