Finding the Fourth Proportional to 13,025.52, 17,975.34 and 7,719.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.52 : 17,975.34 = 7,719.30 : x
2. Step 2: Convert to fraction form
   13,025.52/17,975.34 = 7,719.30/x
3. Step 3: Cross multiply
   13,025.52x = 17,975.34 × 7,719.30
4. Step 4: Simplify right side
   13,025.52x = 138,757,042.06
5. Step 5: Solve for x
   x = 138,757,042.06/13,025.52
6. Step 6: Final answer
   x = 10,652.71