Finding the Fourth Proportional to 443,061.92, 611,417.62 and 252,071.21

Step by Step Solution

1. Step 1: Write the proportion equation
   443,061.92 : 611,417.62 = 252,071.21 : x
2. Step 2: Convert to fraction form
   443,061.92/611,417.62 = 252,071.21/x
3. Step 3: Cross multiply
   443,061.92x = 611,417.62 × 252,071.21
4. Step 4: Simplify right side
   443,061.92x = 154,120,779,288.72
5. Step 5: Solve for x
   x = 154,120,779,288.72/443,061.92
6. Step 6: Final answer
   x = 347,853.82