Finding the Fourth Proportional to 16,290.56, 24,435.86 and 5,197.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,290.56 : 24,435.86 = 5,197.30 : x
2. Step 2: Convert to fraction form
   16,290.56/24,435.86 = 5,197.30/x
3. Step 3: Cross multiply
   16,290.56x = 24,435.86 × 5,197.30
4. Step 4: Simplify right side
   16,290.56x = 127,000,495.18
5. Step 5: Solve for x
   x = 127,000,495.18/16,290.56
6. Step 6: Final answer
   x = 7,795.96