Finding the Fourth Proportional to 56,508.29, 77,982.43 and 31,017.04

Step by Step Solution

1. Step 1: Write the proportion equation
   56,508.29 : 77,982.43 = 31,017.04 : x
2. Step 2: Convert to fraction form
   56,508.29/77,982.43 = 31,017.04/x
3. Step 3: Cross multiply
   56,508.29x = 77,982.43 × 31,017.04
4. Step 4: Simplify right side
   56,508.29x = 2,418,784,150.61
5. Step 5: Solve for x
   x = 2,418,784,150.61/56,508.29
6. Step 6: Final answer
   x = 42,804.06