Finding the Fourth Proportional to 83,413.12, 124,805.78 and 58,501.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,413.12 : 124,805.78 = 58,501.80 : x
2. Step 2: Convert to fraction form
   83,413.12/124,805.78 = 58,501.80/x
3. Step 3: Cross multiply
   83,413.12x = 124,805.78 × 58,501.80
4. Step 4: Simplify right side
   83,413.12x = 7,301,362,780.40
5. Step 5: Solve for x
   x = 7,301,362,780.40/83,413.12
6. Step 6: Final answer
   x = 87,532.55