Finding the Fourth Proportional to 12,810.02, 17,681.76 and 7,506.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,810.02 : 17,681.76 = 7,506.54 : x
2. Step 2: Convert to fraction form
   12,810.02/17,681.76 = 7,506.54/x
3. Step 3: Cross multiply
   12,810.02x = 17,681.76 × 7,506.54
4. Step 4: Simplify right side
   12,810.02x = 132,728,838.71
5. Step 5: Solve for x
   x = 132,728,838.71/12,810.02
6. Step 6: Final answer
   x = 10,361.33