Finding the Fourth Proportional to 12,362.16, 17,062.02 and 7,887.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,362.16 : 17,062.02 = 7,887.30 : x
2. Step 2: Convert to fraction form
   12,362.16/17,062.02 = 7,887.30/x
3. Step 3: Cross multiply
   12,362.16x = 17,062.02 × 7,887.30
4. Step 4: Simplify right side
   12,362.16x = 134,573,270.35
5. Step 5: Solve for x
   x = 134,573,270.35/12,362.16
6. Step 6: Final answer
   x = 10,885.90