Finding the Fourth Proportional to 361,112.02, 541,666.68 and 108,391.42

Step by Step Solution

1. Step 1: Write the proportion equation
   361,112.02 : 541,666.68 = 108,391.42 : x
2. Step 2: Convert to fraction form
   361,112.02/541,666.68 = 108,391.42/x
3. Step 3: Cross multiply
   361,112.02x = 541,666.68 × 108,391.42
4. Step 4: Simplify right side
   361,112.02x = 58,712,020,611.89
5. Step 5: Solve for x
   x = 58,712,020,611.89/361,112.02
6. Step 6: Final answer
   x = 162,586.72