Finding the Fourth Proportional to 12,693.56, 19,045.67 and 5,299.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,693.56 : 19,045.67 = 5,299.61 : x
2. Step 2: Convert to fraction form
   12,693.56/19,045.67 = 5,299.61/x
3. Step 3: Cross multiply
   12,693.56x = 19,045.67 × 5,299.61
4. Step 4: Simplify right side
   12,693.56x = 100,934,501.46
5. Step 5: Solve for x
   x = 100,934,501.46/12,693.56
6. Step 6: Final answer
   x = 7,951.63