Finding the Fourth Proportional to 78,426.03, 108,227.71 and 42,616.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,426.03 : 108,227.71 = 42,616.05 : x
2. Step 2: Convert to fraction form
   78,426.03/108,227.71 = 42,616.05/x
3. Step 3: Cross multiply
   78,426.03x = 108,227.71 × 42,616.05
4. Step 4: Simplify right side
   78,426.03x = 4,612,237,500.75
5. Step 5: Solve for x
   x = 4,612,237,500.75/78,426.03
6. Step 6: Final answer
   x = 58,810.03