Finding the Fourth Proportional to 12,833.92, 17,710.88 and 7,528.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,833.92 : 17,710.88 = 7,528.84 : x
2. Step 2: Convert to fraction form
   12,833.92/17,710.88 = 7,528.84/x
3. Step 3: Cross multiply
   12,833.92x = 17,710.88 × 7,528.84
4. Step 4: Simplify right side
   12,833.92x = 133,342,381.78
5. Step 5: Solve for x
   x = 133,342,381.78/12,833.92
6. Step 6: Final answer
   x = 10,389.84