Finding the Fourth Proportional to 17,528.78, 24,189.42 and 9,570.84

Step by Step Solution

1. Step 1: Write the proportion equation
   17,528.78 : 24,189.42 = 9,570.84 : x
2. Step 2: Convert to fraction form
   17,528.78/24,189.42 = 9,570.84/x
3. Step 3: Cross multiply
   17,528.78x = 24,189.42 × 9,570.84
4. Step 4: Simplify right side
   17,528.78x = 231,513,068.51
5. Step 5: Solve for x
   x = 231,513,068.51/17,528.78
6. Step 6: Final answer
   x = 13,207.60