Finding the Fourth Proportional to 78,714.98, 108,623.52 and 42,904.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,714.98 : 108,623.52 = 42,904.24 : x
2. Step 2: Convert to fraction form
   78,714.98/108,623.52 = 42,904.24/x
3. Step 3: Cross multiply
   78,714.98x = 108,623.52 × 42,904.24
4. Step 4: Simplify right side
   78,714.98x = 4,660,409,571.72
5. Step 5: Solve for x
   x = 4,660,409,571.72/78,714.98
6. Step 6: Final answer
   x = 59,206.13