Finding the Fourth Proportional to 12,902.31, 17,806.50 and 7,598.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,902.31 : 17,806.50 = 7,598.88 : x
2. Step 2: Convert to fraction form
   12,902.31/17,806.50 = 7,598.88/x
3. Step 3: Cross multiply
   12,902.31x = 17,806.50 × 7,598.88
4. Step 4: Simplify right side
   12,902.31x = 135,309,456.72
5. Step 5: Solve for x
   x = 135,309,456.72/12,902.31
6. Step 6: Final answer
   x = 10,487.23