Finding the Fourth Proportional to 12,900.88, 17,803.22 and 7,598.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,900.88 : 17,803.22 = 7,598.96 : x
2. Step 2: Convert to fraction form
   12,900.88/17,803.22 = 7,598.96/x
3. Step 3: Cross multiply
   12,900.88x = 17,803.22 × 7,598.96
4. Step 4: Simplify right side
   12,900.88x = 135,285,956.65
5. Step 5: Solve for x
   x = 135,285,956.65/12,900.88
6. Step 6: Final answer
   x = 10,486.57