Finding the Fourth Proportional to 85,150.18, 117,510.90 and 47,424.43

Step by Step Solution

1. Step 1: Write the proportion equation
   85,150.18 : 117,510.90 = 47,424.43 : x
2. Step 2: Convert to fraction form
   85,150.18/117,510.90 = 47,424.43/x
3. Step 3: Cross multiply
   85,150.18x = 117,510.90 × 47,424.43
4. Step 4: Simplify right side
   85,150.18x = 5,572,887,451.29
5. Step 5: Solve for x
   x = 5,572,887,451.29/85,150.18
6. Step 6: Final answer
   x = 65,447.75