Finding the Fourth Proportional to 69,812.79, 96,340.59 and 37,980.96

Step by Step Solution

1. Step 1: Write the proportion equation
   69,812.79 : 96,340.59 = 37,980.96 : x
2. Step 2: Convert to fraction form
   69,812.79/96,340.59 = 37,980.96/x
3. Step 3: Cross multiply
   69,812.79x = 96,340.59 × 37,980.96
4. Step 4: Simplify right side
   69,812.79x = 3,659,108,095.17
5. Step 5: Solve for x
   x = 3,659,108,095.17/69,812.79
6. Step 6: Final answer
   x = 52,413.15