Finding the Fourth Proportional to 52,118.30, 78,282.10 and 31,099.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,118.30 : 78,282.10 = 31,099.38 : x
2. Step 2: Convert to fraction form
   52,118.30/78,282.10 = 31,099.38/x
3. Step 3: Cross multiply
   52,118.30x = 78,282.10 × 31,099.38
4. Step 4: Simplify right side
   52,118.30x = 2,434,524,775.10
5. Step 5: Solve for x
   x = 2,434,524,775.10/52,118.30
6. Step 6: Final answer
   x = 46,711.52