Finding the Fourth Proportional to 78,521.97, 108,320.17 and 46,233.75

Step by Step Solution

1. Step 1: Write the proportion equation
   78,521.97 : 108,320.17 = 46,233.75 : x
2. Step 2: Convert to fraction form
   78,521.97/108,320.17 = 46,233.75/x
3. Step 3: Cross multiply
   78,521.97x = 108,320.17 × 46,233.75
4. Step 4: Simplify right side
   78,521.97x = 5,008,047,659.74
5. Step 5: Solve for x
   x = 5,008,047,659.74/78,521.97
6. Step 6: Final answer
   x = 63,778.94