Finding the Fourth Proportional to 12,904.57, 17,810.04 and 7,599.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,904.57 : 17,810.04 = 7,599.34 : x
2. Step 2: Convert to fraction form
   12,904.57/17,810.04 = 7,599.34/x
3. Step 3: Cross multiply
   12,904.57x = 17,810.04 × 7,599.34
4. Step 4: Simplify right side
   12,904.57x = 135,344,549.37
5. Step 5: Solve for x
   x = 135,344,549.37/12,904.57
6. Step 6: Final answer
   x = 10,488.11