Finding the Fourth Proportional to 9,005.04, 12,403.89 and 7,587.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.04 : 12,403.89 = 7,587.18 : x
2. Step 2: Convert to fraction form
   9,005.04/12,403.89 = 7,587.18/x
3. Step 3: Cross multiply
   9,005.04x = 12,403.89 × 7,587.18
4. Step 4: Simplify right side
   9,005.04x = 94,110,546.13
5. Step 5: Solve for x
   x = 94,110,546.13/9,005.04
6. Step 6: Final answer
   x = 10,450.87