Finding the Fourth Proportional to 78,199.59, 117,311.54 and 25,596.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,199.59 : 117,311.54 = 25,596.98 : x
2. Step 2: Convert to fraction form
   78,199.59/117,311.54 = 25,596.98/x
3. Step 3: Cross multiply
   78,199.59x = 117,311.54 × 25,596.98
4. Step 4: Simplify right side
   78,199.59x = 3,002,821,143.15
5. Step 5: Solve for x
   x = 3,002,821,143.15/78,199.59
6. Step 6: Final answer
   x = 38,399.45