Finding the Fourth Proportional to 69,718.86, 96,290.37 and 53,993.52

Step by Step Solution

1. Step 1: Write the proportion equation
   69,718.86 : 96,290.37 = 53,993.52 : x
2. Step 2: Convert to fraction form
   69,718.86/96,290.37 = 53,993.52/x
3. Step 3: Cross multiply
   69,718.86x = 96,290.37 × 53,993.52
4. Step 4: Simplify right side
   69,718.86x = 5,199,056,018.40
5. Step 5: Solve for x
   x = 5,199,056,018.40/69,718.86
6. Step 6: Final answer
   x = 74,571.73