Finding the Fourth Proportional to 156,959.74, 235,123.98 and 72,601.48

Step by Step Solution

1. Step 1: Write the proportion equation
   156,959.74 : 235,123.98 = 72,601.48 : x
2. Step 2: Convert to fraction form
   156,959.74/235,123.98 = 72,601.48/x
3. Step 3: Cross multiply
   156,959.74x = 235,123.98 × 72,601.48
4. Step 4: Simplify right side
   156,959.74x = 17,070,348,931.49
5. Step 5: Solve for x
   x = 17,070,348,931.49/156,959.74
6. Step 6: Final answer
   x = 108,756.23