Finding the Fourth Proportional to 56,948.67, 78,589.17 and 31,798.17

Step by Step Solution

1. Step 1: Write the proportion equation
   56,948.67 : 78,589.17 = 31,798.17 : x
2. Step 2: Convert to fraction form
   56,948.67/78,589.17 = 31,798.17/x
3. Step 3: Cross multiply
   56,948.67x = 78,589.17 × 31,798.17
4. Step 4: Simplify right side
   56,948.67x = 2,498,991,787.82
5. Step 5: Solve for x
   x = 2,498,991,787.82/56,948.67
6. Step 6: Final answer
   x = 43,881.48