Finding the Fourth Proportional to 52,086.18, 78,105.90 and 31,036.14

Step by Step Solution

1. Step 1: Write the proportion equation
   52,086.18 : 78,105.90 = 31,036.14 : x
2. Step 2: Convert to fraction form
   52,086.18/78,105.90 = 31,036.14/x
3. Step 3: Cross multiply
   52,086.18x = 78,105.90 × 31,036.14
4. Step 4: Simplify right side
   52,086.18x = 2,424,105,647.23
5. Step 5: Solve for x
   x = 2,424,105,647.23/52,086.18
6. Step 6: Final answer
   x = 46,540.28