Finding the Fourth Proportional to 12,933.23, 19,401.66 and 4,610.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,933.23 : 19,401.66 = 4,610.78 : x
2. Step 2: Convert to fraction form
   12,933.23/19,401.66 = 4,610.78/x
3. Step 3: Cross multiply
   12,933.23x = 19,401.66 × 4,610.78
4. Step 4: Simplify right side
   12,933.23x = 89,456,785.89
5. Step 5: Solve for x
   x = 89,456,785.89/12,933.23
6. Step 6: Final answer
   x = 6,916.82