Finding the Fourth Proportional to 108,413.78, 162,690.06 and 58,528.62

Step by Step Solution

1. Step 1: Write the proportion equation
   108,413.78 : 162,690.06 = 58,528.62 : x
2. Step 2: Convert to fraction form
   108,413.78/162,690.06 = 58,528.62/x
3. Step 3: Cross multiply
   108,413.78x = 162,690.06 × 58,528.62
4. Step 4: Simplify right side
   108,413.78x = 9,522,024,699.52
5. Step 5: Solve for x
   x = 9,522,024,699.52/108,413.78
6. Step 6: Final answer
   x = 87,830.39