Finding the Fourth Proportional to 17,788.19, 24,547.78 and 9,722.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,788.19 : 24,547.78 = 9,722.01 : x
2. Step 2: Convert to fraction form
   17,788.19/24,547.78 = 9,722.01/x
3. Step 3: Cross multiply
   17,788.19x = 24,547.78 × 9,722.01
4. Step 4: Simplify right side
   17,788.19x = 238,653,829.78
5. Step 5: Solve for x
   x = 238,653,829.78/17,788.19
6. Step 6: Final answer
   x = 13,416.42