Finding the Fourth Proportional to 12,948.52, 19,432.70 and 10,019.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.52 : 19,432.70 = 10,019.56 : x
2. Step 2: Convert to fraction form
   12,948.52/19,432.70 = 10,019.56/x
3. Step 3: Cross multiply
   12,948.52x = 19,432.70 × 10,019.56
4. Step 4: Simplify right side
   12,948.52x = 194,707,103.61
5. Step 5: Solve for x
   x = 194,707,103.61/12,948.52
6. Step 6: Final answer
   x = 15,037.02