Finding the Fourth Proportional to 9,167.30, 12,651.78 and 5,582.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,167.30 : 12,651.78 = 5,582.50 : x
2. Step 2: Convert to fraction form
   9,167.30/12,651.78 = 5,582.50/x
3. Step 3: Cross multiply
   9,167.30x = 12,651.78 × 5,582.50
4. Step 4: Simplify right side
   9,167.30x = 70,628,561.85
5. Step 5: Solve for x
   x = 70,628,561.85/9,167.30
6. Step 6: Final answer
   x = 7,704.40