Finding the Fourth Proportional to 112,413.60, 155,123.28 and 62,111.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,413.60 : 155,123.28 = 62,111.52 : x
2. Step 2: Convert to fraction form
   112,413.60/155,123.28 = 62,111.52/x
3. Step 3: Cross multiply
   112,413.60x = 155,123.28 × 62,111.52
4. Step 4: Simplify right side
   112,413.60x = 9,634,942,708.19
5. Step 5: Solve for x
   x = 9,634,942,708.19/112,413.60
6. Step 6: Final answer
   x = 85,709.76