Finding the Fourth Proportional to 12,909.01, 17,812.27 and 7,604.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,909.01 : 17,812.27 = 7,604.89 : x
2. Step 2: Convert to fraction form
   12,909.01/17,812.27 = 7,604.89/x
3. Step 3: Cross multiply
   12,909.01x = 17,812.27 × 7,604.89
4. Step 4: Simplify right side
   12,909.01x = 135,460,354.00
5. Step 5: Solve for x
   x = 135,460,354.00/12,909.01
6. Step 6: Final answer
   x = 10,493.47