Finding the Fourth Proportional to 78,436.29, 108,242.76 and 42,626.29

Step by Step Solution

1. Step 1: Write the proportion equation
   78,436.29 : 108,242.76 = 42,626.29 : x
2. Step 2: Convert to fraction form
   78,436.29/108,242.76 = 42,626.29/x
3. Step 3: Cross multiply
   78,436.29x = 108,242.76 × 42,626.29
4. Step 4: Simplify right side
   78,436.29x = 4,613,987,278.16
5. Step 5: Solve for x
   x = 4,613,987,278.16/78,436.29
6. Step 6: Final answer
   x = 58,824.65