Finding the Fourth Proportional to 13,008.75, 19,516.02 and 5,112.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.75 : 19,516.02 = 5,112.03 : x
2. Step 2: Convert to fraction form
   13,008.75/19,516.02 = 5,112.03/x
3. Step 3: Cross multiply
   13,008.75x = 19,516.02 × 5,112.03
4. Step 4: Simplify right side
   13,008.75x = 99,766,479.72
5. Step 5: Solve for x
   x = 99,766,479.72/13,008.75
6. Step 6: Final answer
   x = 7,669.18