Finding the Fourth Proportional to 17,869.61, 24,655.69 and 13,902.03

Step by Step Solution

1. Step 1: Write the proportion equation
   17,869.61 : 24,655.69 = 13,902.03 : x
2. Step 2: Convert to fraction form
   17,869.61/24,655.69 = 13,902.03/x
3. Step 3: Cross multiply
   17,869.61x = 24,655.69 × 13,902.03
4. Step 4: Simplify right side
   17,869.61x = 342,764,159.43
5. Step 5: Solve for x
   x = 342,764,159.43/17,869.61
6. Step 6: Final answer
   x = 19,181.40