Finding the Fourth Proportional to 16,334.64, 24,503.52 and 5,238.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,334.64 : 24,503.52 = 5,238.78 : x
2. Step 2: Convert to fraction form
   16,334.64/24,503.52 = 5,238.78/x
3. Step 3: Cross multiply
   16,334.64x = 24,503.52 × 5,238.78
4. Step 4: Simplify right side
   16,334.64x = 128,368,550.51
5. Step 5: Solve for x
   x = 128,368,550.51/16,334.64
6. Step 6: Final answer
   x = 7,858.67