Finding the Fourth Proportional to 78,717.99, 108,642.15 and 46,887.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,717.99 : 108,642.15 = 46,887.42 : x
2. Step 2: Convert to fraction form
   78,717.99/108,642.15 = 46,887.42/x
3. Step 3: Cross multiply
   78,717.99x = 108,642.15 × 46,887.42
4. Step 4: Simplify right side
   78,717.99x = 5,093,950,116.75
5. Step 5: Solve for x
   x = 5,093,950,116.75/78,717.99
6. Step 6: Final answer
   x = 64,711.38