Finding the Fourth Proportional to 83,372.94, 124,989.33 and 67,538.71

Step by Step Solution

1. Step 1: Write the proportion equation
   83,372.94 : 124,989.33 = 67,538.71 : x
2. Step 2: Convert to fraction form
   83,372.94/124,989.33 = 67,538.71/x
3. Step 3: Cross multiply
   83,372.94x = 124,989.33 × 67,538.71
4. Step 4: Simplify right side
   83,372.94x = 8,441,618,111.96
5. Step 5: Solve for x
   x = 8,441,618,111.96/83,372.94
6. Step 6: Final answer
   x = 101,251.29