Finding the Fourth Proportional to 12,764.24, 17,612.88 and 7,098.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,764.24 : 17,612.88 = 7,098.56 : x
2. Step 2: Convert to fraction form
   12,764.24/17,612.88 = 7,098.56/x
3. Step 3: Cross multiply
   12,764.24x = 17,612.88 × 7,098.56
4. Step 4: Simplify right side
   12,764.24x = 125,026,085.45
5. Step 5: Solve for x
   x = 125,026,085.45/12,764.24
6. Step 6: Final answer
   x = 9,795.03