Finding the Fourth Proportional to 12,943.28, 19,403.33 and 4,622.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,943.28 : 19,403.33 = 4,622.10 : x
2. Step 2: Convert to fraction form
   12,943.28/19,403.33 = 4,622.10/x
3. Step 3: Cross multiply
   12,943.28x = 19,403.33 × 4,622.10
4. Step 4: Simplify right side
   12,943.28x = 89,684,131.59
5. Step 5: Solve for x
   x = 89,684,131.59/12,943.28
6. Step 6: Final answer
   x = 6,929.01