Finding the Fourth Proportional to 12,313.04, 18,462.18 and 5,188.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,313.04 : 18,462.18 = 5,188.82 : x
2. Step 2: Convert to fraction form
   12,313.04/18,462.18 = 5,188.82/x
3. Step 3: Cross multiply
   12,313.04x = 18,462.18 × 5,188.82
4. Step 4: Simplify right side
   12,313.04x = 95,796,928.83
5. Step 5: Solve for x
   x = 95,796,928.83/12,313.04
6. Step 6: Final answer
   x = 7,780.12