Finding the Fourth Proportional to 17,846.16, 24,625.71 and 9,886.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,846.16 : 24,625.71 = 9,886.40 : x
2. Step 2: Convert to fraction form
   17,846.16/24,625.71 = 9,886.40/x
3. Step 3: Cross multiply
   17,846.16x = 24,625.71 × 9,886.40
4. Step 4: Simplify right side
   17,846.16x = 243,459,619.34
5. Step 5: Solve for x
   x = 243,459,619.34/17,846.16
6. Step 6: Final answer
   x = 13,642.13