Finding the Fourth Proportional to 69,645.47, 96,112.71 and 40,967.21

Step by Step Solution

1. Step 1: Write the proportion equation
   69,645.47 : 96,112.71 = 40,967.21 : x
2. Step 2: Convert to fraction form
   69,645.47/96,112.71 = 40,967.21/x
3. Step 3: Cross multiply
   69,645.47x = 96,112.71 × 40,967.21
4. Step 4: Simplify right side
   69,645.47x = 3,937,469,814.52
5. Step 5: Solve for x
   x = 3,937,469,814.52/69,645.47
6. Step 6: Final answer
   x = 56,535.91