Finding the Fourth Proportional to 17,855.04, 24,638.60 and 9,897.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,855.04 : 24,638.60 = 9,897.12 : x
2. Step 2: Convert to fraction form
   17,855.04/24,638.60 = 9,897.12/x
3. Step 3: Cross multiply
   17,855.04x = 24,638.60 × 9,897.12
4. Step 4: Simplify right side
   17,855.04x = 243,851,180.83
5. Step 5: Solve for x
   x = 243,851,180.83/17,855.04
6. Step 6: Final answer
   x = 13,657.27