Finding the Fourth Proportional to 152,721.76, 229,228.56 and 93,672.88

Step by Step Solution

1. Step 1: Write the proportion equation
   152,721.76 : 229,228.56 = 93,672.88 : x
2. Step 2: Convert to fraction form
   152,721.76/229,228.56 = 93,672.88/x
3. Step 3: Cross multiply
   152,721.76x = 229,228.56 × 93,672.88
4. Step 4: Simplify right side
   152,721.76x = 21,472,499,393.45
5. Step 5: Solve for x
   x = 21,472,499,393.45/152,721.76
6. Step 6: Final answer
   x = 140,598.82