Finding the Fourth Proportional to 17,843.78, 24,624.59 and 9,886.11

Step by Step Solution

1. Step 1: Write the proportion equation
   17,843.78 : 24,624.59 = 9,886.11 : x
2. Step 2: Convert to fraction form
   17,843.78/24,624.59 = 9,886.11/x
3. Step 3: Cross multiply
   17,843.78x = 24,624.59 × 9,886.11
4. Step 4: Simplify right side
   17,843.78x = 243,441,356.01
5. Step 5: Solve for x
   x = 243,441,356.01/17,843.78
6. Step 6: Final answer
   x = 13,642.93