Finding the Fourth Proportional to 12,862.02, 17,749.52 and 7,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,862.02 : 17,749.52 = 7,196.76 : x
2. Step 2: Convert to fraction form
   12,862.02/17,749.52 = 7,196.76/x
3. Step 3: Cross multiply
   12,862.02x = 17,749.52 × 7,196.76
4. Step 4: Simplify right side
   12,862.02x = 127,739,035.56
5. Step 5: Solve for x
   x = 127,739,035.56/12,862.02
6. Step 6: Final answer
   x = 9,931.49