Finding the Fourth Proportional to 83,426.64, 124,826.04 and 58,515.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,426.64 : 124,826.04 = 58,515.30 : x
2. Step 2: Convert to fraction form
   83,426.64/124,826.04 = 58,515.30/x
3. Step 3: Cross multiply
   83,426.64x = 124,826.04 × 58,515.30
4. Step 4: Simplify right side
   83,426.64x = 7,304,233,178.41
5. Step 5: Solve for x
   x = 7,304,233,178.41/83,426.64
6. Step 6: Final answer
   x = 87,552.77