Finding the Fourth Proportional to 55,025.16, 75,939.42 and 31,156.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,025.16 : 75,939.42 = 31,156.04 : x
2. Step 2: Convert to fraction form
   55,025.16/75,939.42 = 31,156.04/x
3. Step 3: Cross multiply
   55,025.16x = 75,939.42 × 31,156.04
4. Step 4: Simplify right side
   55,025.16x = 2,365,971,607.10
5. Step 5: Solve for x
   x = 2,365,971,607.10/55,025.16
6. Step 6: Final answer
   x = 42,998.00