Finding the Fourth Proportional to 22,300.02, 30,773.76 and 12,868.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.02 : 30,773.76 = 12,868.38 : x
2. Step 2: Convert to fraction form
   22,300.02/30,773.76 = 12,868.38/x
3. Step 3: Cross multiply
   22,300.02x = 30,773.76 × 12,868.38
4. Step 4: Simplify right side
   22,300.02x = 396,008,437.71
5. Step 5: Solve for x
   x = 396,008,437.71/22,300.02
6. Step 6: Final answer
   x = 17,758.21