Finding the Fourth Proportional to 272,443.91, 375,966.70 and 157,727.39

Step by Step Solution

1. Step 1: Write the proportion equation
   272,443.91 : 375,966.70 = 157,727.39 : x
2. Step 2: Convert to fraction form
   272,443.91/375,966.70 = 157,727.39/x
3. Step 3: Cross multiply
   272,443.91x = 375,966.70 × 157,727.39
4. Step 4: Simplify right side
   272,443.91x = 59,300,244,043.76
5. Step 5: Solve for x
   x = 59,300,244,043.76/272,443.91
6. Step 6: Final answer
   x = 217,660.38