Finding the Fourth Proportional to 78,459.57, 117,744.93 and 34,099.29

Step by Step Solution

1. Step 1: Write the proportion equation
   78,459.57 : 117,744.93 = 34,099.29 : x
2. Step 2: Convert to fraction form
   78,459.57/117,744.93 = 34,099.29/x
3. Step 3: Cross multiply
   78,459.57x = 117,744.93 × 34,099.29
4. Step 4: Simplify right side
   78,459.57x = 4,015,018,514.10
5. Step 5: Solve for x
   x = 4,015,018,514.10/78,459.57
6. Step 6: Final answer
   x = 51,173.09