Finding the Fourth Proportional to 78,517.30, 108,315.72 and 46,663.66

Step by Step Solution

1. Step 1: Write the proportion equation
   78,517.30 : 108,315.72 = 46,663.66 : x
2. Step 2: Convert to fraction form
   78,517.30/108,315.72 = 46,663.66/x
3. Step 3: Cross multiply
   78,517.30x = 108,315.72 × 46,663.66
4. Step 4: Simplify right side
   78,517.30x = 5,054,407,930.74
5. Step 5: Solve for x
   x = 5,054,407,930.74/78,517.30
6. Step 6: Final answer
   x = 64,373.18