Finding the Fourth Proportional to 272,925.38, 409,450.38 and 83,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   272,925.38 : 409,450.38 = 83,412.72 : x
2. Step 2: Convert to fraction form
   272,925.38/409,450.38 = 83,412.72/x
3. Step 3: Cross multiply
   272,925.38x = 409,450.38 × 83,412.72
4. Step 4: Simplify right side
   272,925.38x = 34,153,369,900.83
5. Step 5: Solve for x
   x = 34,153,369,900.83/272,925.38
6. Step 6: Final answer
   x = 125,138.13