Finding the Fourth Proportional to 83,787.89, 125,642.24 and 30,442.69

Step by Step Solution

1. Step 1: Write the proportion equation
   83,787.89 : 125,642.24 = 30,442.69 : x
2. Step 2: Convert to fraction form
   83,787.89/125,642.24 = 30,442.69/x
3. Step 3: Cross multiply
   83,787.89x = 125,642.24 × 30,442.69
4. Step 4: Simplify right side
   83,787.89x = 3,824,887,175.49
5. Step 5: Solve for x
   x = 3,824,887,175.49/83,787.89
6. Step 6: Final answer
   x = 45,649.64