Finding the Fourth Proportional to 78,714.47, 108,626.12 and 42,904.47

Step by Step Solution

1. Step 1: Write the proportion equation
   78,714.47 : 108,626.12 = 42,904.47 : x
2. Step 2: Convert to fraction form
   78,714.47/108,626.12 = 42,904.47/x
3. Step 3: Cross multiply
   78,714.47x = 108,626.12 × 42,904.47
4. Step 4: Simplify right side
   78,714.47x = 4,660,545,892.23
5. Step 5: Solve for x
   x = 4,660,545,892.23/78,714.47
6. Step 6: Final answer
   x = 59,208.25