Finding the Fourth Proportional to 10,833.02, 16,242.52 and 7,124.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,833.02 : 16,242.52 = 7,124.02 : x
2. Step 2: Convert to fraction form
   10,833.02/16,242.52 = 7,124.02/x
3. Step 3: Cross multiply
   10,833.02x = 16,242.52 × 7,124.02
4. Step 4: Simplify right side
   10,833.02x = 115,712,037.33
5. Step 5: Solve for x
   x = 115,712,037.33/10,833.02
6. Step 6: Final answer
   x = 10,681.42