Finding the Fourth Proportional to 12,904.52, 17,808.24 and 7,315.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,904.52 : 17,808.24 = 7,315.52 : x
2. Step 2: Convert to fraction form
   12,904.52/17,808.24 = 7,315.52/x
3. Step 3: Cross multiply
   12,904.52x = 17,808.24 × 7,315.52
4. Step 4: Simplify right side
   12,904.52x = 130,276,535.88
5. Step 5: Solve for x
   x = 130,276,535.88/12,904.52
6. Step 6: Final answer
   x = 10,095.42