Finding the Fourth Proportional to 12,833.96, 17,711.00 and 7,528.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,833.96 : 17,711.00 = 7,528.86 : x
2. Step 2: Convert to fraction form
   12,833.96/17,711.00 = 7,528.86/x
3. Step 3: Cross multiply
   12,833.96x = 17,711.00 × 7,528.86
4. Step 4: Simplify right side
   12,833.96x = 133,343,601.82
5. Step 5: Solve for x
   x = 133,343,601.82/12,833.96
6. Step 6: Final answer
   x = 10,389.91