Finding the Fourth Proportional to 62,787.72, 86,648.28 and 34,494.48

Step by Step Solution

1. Step 1: Write the proportion equation
   62,787.72 : 86,648.28 = 34,494.48 : x
2. Step 2: Convert to fraction form
   62,787.72/86,648.28 = 34,494.48/x
3. Step 3: Cross multiply
   62,787.72x = 86,648.28 × 34,494.48
4. Step 4: Simplify right side
   62,787.72x = 2,988,887,361.49
5. Step 5: Solve for x
   x = 2,988,887,361.49/62,787.72
6. Step 6: Final answer
   x = 47,603.06