Finding the Fourth Proportional to 17,870.83, 24,663.29 and 9,915.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.83 : 24,663.29 = 9,915.01 : x
2. Step 2: Convert to fraction form
   17,870.83/24,663.29 = 9,915.01/x
3. Step 3: Cross multiply
   17,870.83x = 24,663.29 × 9,915.01
4. Step 4: Simplify right side
   17,870.83x = 244,536,655.75
5. Step 5: Solve for x
   x = 244,536,655.75/17,870.83
6. Step 6: Final answer
   x = 13,683.57