Finding the Fourth Proportional to 12,886.88, 17,783.59 and 7,582.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,886.88 : 17,783.59 = 7,582.04 : x
2. Step 2: Convert to fraction form
   12,886.88/17,783.59 = 7,582.04/x
3. Step 3: Cross multiply
   12,886.88x = 17,783.59 × 7,582.04
4. Step 4: Simplify right side
   12,886.88x = 134,835,782.85
5. Step 5: Solve for x
   x = 134,835,782.85/12,886.88
6. Step 6: Final answer
   x = 10,463.03