Finding the Fourth Proportional to 78,435.29, 108,241.38 and 42,625.29

Step by Step Solution

1. Step 1: Write the proportion equation
   78,435.29 : 108,241.38 = 42,625.29 : x
2. Step 2: Convert to fraction form
   78,435.29/108,241.38 = 42,625.29/x
3. Step 3: Cross multiply
   78,435.29x = 108,241.38 × 42,625.29
4. Step 4: Simplify right side
   78,435.29x = 4,613,820,618.41
5. Step 5: Solve for x
   x = 4,613,820,618.41/78,435.29
6. Step 6: Final answer
   x = 58,823.28