Finding the Fourth Proportional to 13,019.52, 17,970.16 and 7,433.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.52 : 17,970.16 = 7,433.76 : x
2. Step 2: Convert to fraction form
   13,019.52/17,970.16 = 7,433.76/x
3. Step 3: Cross multiply
   13,019.52x = 17,970.16 × 7,433.76
4. Step 4: Simplify right side
   13,019.52x = 133,585,856.60
5. Step 5: Solve for x
   x = 133,585,856.60/13,019.52
6. Step 6: Final answer
   x = 10,260.43