Finding the Fourth Proportional to 78,909.39, 108,894.24 and 43,099.29

Step by Step Solution

1. Step 1: Write the proportion equation
   78,909.39 : 108,894.24 = 43,099.29 : x
2. Step 2: Convert to fraction form
   78,909.39/108,894.24 = 43,099.29/x
3. Step 3: Cross multiply
   78,909.39x = 108,894.24 × 43,099.29
4. Step 4: Simplify right side
   78,909.39x = 4,693,264,429.09
5. Step 5: Solve for x
   x = 4,693,264,429.09/78,909.39
6. Step 6: Final answer
   x = 59,476.63