Finding the Fourth Proportional to 155,472.55, 233,229.34 and 54,272.42

Step by Step Solution

1. Step 1: Write the proportion equation
   155,472.55 : 233,229.34 = 54,272.42 : x
2. Step 2: Convert to fraction form
   155,472.55/233,229.34 = 54,272.42/x
3. Step 3: Cross multiply
   155,472.55x = 233,229.34 × 54,272.42
4. Step 4: Simplify right side
   155,472.55x = 12,657,921,071.82
5. Step 5: Solve for x
   x = 12,657,921,071.82/155,472.55
6. Step 6: Final answer
   x = 81,415.80