Finding the Fourth Proportional to 56,793.27, 85,080.72 and 31,757.40

Step by Step Solution

1. Step 1: Write the proportion equation
   56,793.27 : 85,080.72 = 31,757.40 : x
2. Step 2: Convert to fraction form
   56,793.27/85,080.72 = 31,757.40/x
3. Step 3: Cross multiply
   56,793.27x = 85,080.72 × 31,757.40
4. Step 4: Simplify right side
   56,793.27x = 2,701,942,457.33
5. Step 5: Solve for x
   x = 2,701,942,457.33/56,793.27
6. Step 6: Final answer
   x = 47,575.05