Finding the Fourth Proportional to 112,402.27, 155,113.31 and 61,413.91

Step by Step Solution

1. Step 1: Write the proportion equation
   112,402.27 : 155,113.31 = 61,413.91 : x
2. Step 2: Convert to fraction form
   112,402.27/155,113.31 = 61,413.91/x
3. Step 3: Cross multiply
   112,402.27x = 155,113.31 × 61,413.91
4. Step 4: Simplify right side
   112,402.27x = 9,526,114,860.14
5. Step 5: Solve for x
   x = 9,526,114,860.14/112,402.27
6. Step 6: Final answer
   x = 84,750.20