Finding the Fourth Proportional to 171,124.30, 256,472.61 and 118,111.42

Step by Step Solution

1. Step 1: Write the proportion equation
   171,124.30 : 256,472.61 = 118,111.42 : x
2. Step 2: Convert to fraction form
   171,124.30/256,472.61 = 118,111.42/x
3. Step 3: Cross multiply
   171,124.30x = 256,472.61 × 118,111.42
4. Step 4: Simplify right side
   171,124.30x = 30,292,344,158.21
5. Step 5: Solve for x
   x = 30,292,344,158.21/171,124.30
6. Step 6: Final answer
   x = 177,019.54