Finding the Fourth Proportional to 57,300.33, 79,074.60 and 31,807.08

Step by Step Solution

1. Step 1: Write the proportion equation
   57,300.33 : 79,074.60 = 31,807.08 : x
2. Step 2: Convert to fraction form
   57,300.33/79,074.60 = 31,807.08/x
3. Step 3: Cross multiply
   57,300.33x = 79,074.60 × 31,807.08
4. Step 4: Simplify right side
   57,300.33x = 2,515,132,128.17
5. Step 5: Solve for x
   x = 2,515,132,128.17/57,300.33
6. Step 6: Final answer
   x = 43,893.85