Finding the Fourth Proportional to 22,983.47, 34,443.06 and 12,430.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,983.47 : 34,443.06 = 12,430.70 : x
2. Step 2: Convert to fraction form
   22,983.47/34,443.06 = 12,430.70/x
3. Step 3: Cross multiply
   22,983.47x = 34,443.06 × 12,430.70
4. Step 4: Simplify right side
   22,983.47x = 428,151,345.94
5. Step 5: Solve for x
   x = 428,151,345.94/22,983.47
6. Step 6: Final answer
   x = 18,628.66