Finding the Fourth Proportional to 151,413.86, 208,948.37 and 83,437.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151,413.86 : 208,948.37 = 83,437.16 : x
2. Step 2: Convert to fraction form
   151,413.86/208,948.37 = 83,437.16/x
3. Step 3: Cross multiply
   151,413.86x = 208,948.37 × 83,437.16
4. Step 4: Simplify right side
   151,413.86x = 17,434,057,117.50
5. Step 5: Solve for x
   x = 17,434,057,117.50/151,413.86
6. Step 6: Final answer
   x = 115,141.75