Finding the Fourth Proportional to 55,972.89, 83,871.32 and 39,089.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,972.89 : 83,871.32 = 39,089.25 : x
2. Step 2: Convert to fraction form
   55,972.89/83,871.32 = 39,089.25/x
3. Step 3: Cross multiply
   55,972.89x = 83,871.32 × 39,089.25
4. Step 4: Simplify right side
   55,972.89x = 3,278,466,799.86
5. Step 5: Solve for x
   x = 3,278,466,799.86/55,972.89
6. Step 6: Final answer
   x = 58,572.41