Finding the Fourth Proportional to 17,820.88, 24,590.28 and 9,863

Step by Step Solution

1. Step 1: Write the proportion equation
   17,820.88 : 24,590.28 = 9,863 : x
2. Step 2: Convert to fraction form
   17,820.88/24,590.28 = 9,863/x
3. Step 3: Cross multiply
   17,820.88x = 24,590.28 × 9,863
4. Step 4: Simplify right side
   17,820.88x = 242,533,931.64
5. Step 5: Solve for x
   x = 242,533,931.64/17,820.88
6. Step 6: Final answer
   x = 13,609.54