Finding the Fourth Proportional to 57,300.57, 79,074.51 and 31,807.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,300.57 : 79,074.51 = 31,807.25 : x
2. Step 2: Convert to fraction form
   57,300.57/79,074.51 = 31,807.25/x
3. Step 3: Cross multiply
   57,300.57x = 79,074.51 × 31,807.25
4. Step 4: Simplify right side
   57,300.57x = 2,515,142,312.82
5. Step 5: Solve for x
   x = 2,515,142,312.82/57,300.57
6. Step 6: Final answer
   x = 43,893.84