Finding the Fourth Proportional to 57,290.75, 79,061.78 and 32,140.79

Step by Step Solution

1. Step 1: Write the proportion equation
   57,290.75 : 79,061.78 = 32,140.79 : x
2. Step 2: Convert to fraction form
   57,290.75/79,061.78 = 32,140.79/x
3. Step 3: Cross multiply
   57,290.75x = 79,061.78 × 32,140.79
4. Step 4: Simplify right side
   57,290.75x = 2,541,107,907.30
5. Step 5: Solve for x
   x = 2,541,107,907.30/57,290.75
6. Step 6: Final answer
   x = 44,354.59