Finding the Fourth Proportional to 272,637.42, 408,892.56 and 104,095.86

Step by Step Solution

1. Step 1: Write the proportion equation
   272,637.42 : 408,892.56 = 104,095.86 : x
2. Step 2: Convert to fraction form
   272,637.42/408,892.56 = 104,095.86/x
3. Step 3: Cross multiply
   272,637.42x = 408,892.56 × 104,095.86
4. Step 4: Simplify right side
   272,637.42x = 42,564,022,680.80
5. Step 5: Solve for x
   x = 42,564,022,680.80/272,637.42
6. Step 6: Final answer
   x = 156,119.52