Finding the Fourth Proportional to 272,061.06, 375,336.62 and 157,318.62

Step by Step Solution

1. Step 1: Write the proportion equation
   272,061.06 : 375,336.62 = 157,318.62 : x
2. Step 2: Convert to fraction form
   272,061.06/375,336.62 = 157,318.62/x
3. Step 3: Cross multiply
   272,061.06x = 375,336.62 × 157,318.62
4. Step 4: Simplify right side
   272,061.06x = 59,047,439,093.86
5. Step 5: Solve for x
   x = 59,047,439,093.86/272,061.06
6. Step 6: Final answer
   x = 217,037.45