Finding the Fourth Proportional to 57,423, 79,242.30 and 31,929.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,423 : 79,242.30 = 31,929.42 : x
2. Step 2: Convert to fraction form
   57,423/79,242.30 = 31,929.42/x
3. Step 3: Cross multiply
   57,423x = 79,242.30 × 31,929.42
4. Step 4: Simplify right side
   57,423x = 2,530,160,678.47
5. Step 5: Solve for x
   x = 2,530,160,678.47/57,423
6. Step 6: Final answer
   x = 44,061.80