Finding the Fourth Proportional to 147,400.83, 203,413.83 and 83,742.12

Step by Step Solution

1. Step 1: Write the proportion equation
   147,400.83 : 203,413.83 = 83,742.12 : x
2. Step 2: Convert to fraction form
   147,400.83/203,413.83 = 83,742.12/x
3. Step 3: Cross multiply
   147,400.83x = 203,413.83 × 83,742.12
4. Step 4: Simplify right side
   147,400.83x = 17,034,305,361.52
5. Step 5: Solve for x
   x = 17,034,305,361.52/147,400.83
6. Step 6: Final answer
   x = 115,564.51