Finding the Fourth Proportional to 16,385.68, 24,578.72 and 4,699

Step by Step Solution

1. Step 1: Write the proportion equation
   16,385.68 : 24,578.72 = 4,699 : x
2. Step 2: Convert to fraction form
   16,385.68/24,578.72 = 4,699/x
3. Step 3: Cross multiply
   16,385.68x = 24,578.72 × 4,699
4. Step 4: Simplify right side
   16,385.68x = 115,495,405.28
5. Step 5: Solve for x
   x = 115,495,405.28/16,385.68
6. Step 6: Final answer
   x = 7,048.56