Finding the Fourth Proportional to 10,307.83, 15,462.96 and 3,285.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,307.83 : 15,462.96 = 3,285.40 : x
2. Step 2: Convert to fraction form
   10,307.83/15,462.96 = 3,285.40/x
3. Step 3: Cross multiply
   10,307.83x = 15,462.96 × 3,285.40
4. Step 4: Simplify right side
   10,307.83x = 50,802,008.78
5. Step 5: Solve for x
   x = 50,802,008.78/10,307.83
6. Step 6: Final answer
   x = 4,928.49