Finding the Fourth Proportional to 83,465.69, 115,188.89 and 51,653.07

Step by Step Solution

1. Step 1: Write the proportion equation
   83,465.69 : 115,188.89 = 51,653.07 : x
2. Step 2: Convert to fraction form
   83,465.69/115,188.89 = 51,653.07/x
3. Step 3: Cross multiply
   83,465.69x = 115,188.89 × 51,653.07
4. Step 4: Simplify right side
   83,465.69x = 5,949,859,540.13
5. Step 5: Solve for x
   x = 5,949,859,540.13/83,465.69
6. Step 6: Final answer
   x = 71,285.10