Finding the Fourth Proportional to 12,035.88, 18,041.68 and 5,019.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,035.88 : 18,041.68 = 5,019.78 : x
2. Step 2: Convert to fraction form
   12,035.88/18,041.68 = 5,019.78/x
3. Step 3: Cross multiply
   12,035.88x = 18,041.68 × 5,019.78
4. Step 4: Simplify right side
   12,035.88x = 90,565,264.43
5. Step 5: Solve for x
   x = 90,565,264.43/12,035.88
6. Step 6: Final answer
   x = 7,524.61