Finding the Fourth Proportional to 31,036.24, 42,818.52 and 18,941.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,036.24 : 42,818.52 = 18,941.32 : x
2. Step 2: Convert to fraction form
   31,036.24/42,818.52 = 18,941.32/x
3. Step 3: Cross multiply
   31,036.24x = 42,818.52 × 18,941.32
4. Step 4: Simplify right side
   31,036.24x = 811,039,289.25
5. Step 5: Solve for x
   x = 811,039,289.25/31,036.24
6. Step 6: Final answer
   x = 26,132.01