Finding the Fourth Proportional to 17,528.25, 24,188.93 and 9,870.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,528.25 : 24,188.93 = 9,870.90 : x
2. Step 2: Convert to fraction form
   17,528.25/24,188.93 = 9,870.90/x
3. Step 3: Cross multiply
   17,528.25x = 24,188.93 × 9,870.90
4. Step 4: Simplify right side
   17,528.25x = 238,766,459.78
5. Step 5: Solve for x
   x = 238,766,459.78/17,528.25
6. Step 6: Final answer
   x = 13,621.81