Finding the Fourth Proportional to 78,727.14, 108,642.87 and 42,917.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78,727.14 : 108,642.87 = 42,917.04 : x
2. Step 2: Convert to fraction form
   78,727.14/108,642.87 = 42,917.04/x
3. Step 3: Cross multiply
   78,727.14x = 108,642.87 × 42,917.04
4. Step 4: Simplify right side
   78,727.14x = 4,662,630,397.50
5. Step 5: Solve for x
   x = 4,662,630,397.50/78,727.14
6. Step 6: Final answer
   x = 59,225.20