Finding the Fourth Proportional to 155,508.72, 233,261.55 and 71,244.98

Step by Step Solution

1. Step 1: Write the proportion equation
   155,508.72 : 233,261.55 = 71,244.98 : x
2. Step 2: Convert to fraction form
   155,508.72/233,261.55 = 71,244.98/x
3. Step 3: Cross multiply
   155,508.72x = 233,261.55 × 71,244.98
4. Step 4: Simplify right side
   155,508.72x = 16,618,714,300.59
5. Step 5: Solve for x
   x = 16,618,714,300.59/155,508.72
6. Step 6: Final answer
   x = 106,866.77