Finding the Fourth Proportional to 56,847.50, 85,275.29 and 17,399.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,847.50 : 85,275.29 = 17,399.48 : x
2. Step 2: Convert to fraction form
   56,847.50/85,275.29 = 17,399.48/x
3. Step 3: Cross multiply
   56,847.50x = 85,275.29 × 17,399.48
4. Step 4: Simplify right side
   56,847.50x = 1,483,745,959.54
5. Step 5: Solve for x
   x = 1,483,745,959.54/56,847.50
6. Step 6: Final answer
   x = 26,100.46