Finding the Fourth Proportional to 155,431.57, 233,122.51 and 55,573.15

Step by Step Solution

1. Step 1: Write the proportion equation
   155,431.57 : 233,122.51 = 55,573.15 : x
2. Step 2: Convert to fraction form
   155,431.57/233,122.51 = 55,573.15/x
3. Step 3: Cross multiply
   155,431.57x = 233,122.51 × 55,573.15
4. Step 4: Simplify right side
   155,431.57x = 12,955,352,216.61
5. Step 5: Solve for x
   x = 12,955,352,216.61/155,431.57
6. Step 6: Final answer
   x = 83,350.84