Finding the Fourth Proportional to 116,413.60, 174,697.20 and 42,541.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,413.60 : 174,697.20 = 42,541.60 : x
2. Step 2: Convert to fraction form
   116,413.60/174,697.20 = 42,541.60/x
3. Step 3: Cross multiply
   116,413.60x = 174,697.20 × 42,541.60
4. Step 4: Simplify right side
   116,413.60x = 7,431,898,403.52
5. Step 5: Solve for x
   x = 7,431,898,403.52/116,413.60
6. Step 6: Final answer
   x = 63,840.47