Finding the Fourth Proportional to 83,412.62, 124,805.04 and 58,501.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,412.62 : 124,805.04 = 58,501.30 : x
2. Step 2: Convert to fraction form
   83,412.62/124,805.04 = 58,501.30/x
3. Step 3: Cross multiply
   83,412.62x = 124,805.04 × 58,501.30
4. Step 4: Simplify right side
   83,412.62x = 7,301,257,086.55
5. Step 5: Solve for x
   x = 7,301,257,086.55/83,412.62
6. Step 6: Final answer
   x = 87,531.80