Finding the Fourth Proportional to 22,123.02, 30,529.53 and 12,693.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,123.02 : 30,529.53 = 12,693.06 : x
2. Step 2: Convert to fraction form
   22,123.02/30,529.53 = 12,693.06/x
3. Step 3: Cross multiply
   22,123.02x = 30,529.53 × 12,693.06
4. Step 4: Simplify right side
   22,123.02x = 387,513,156.06
5. Step 5: Solve for x
   x = 387,513,156.06/22,123.02
6. Step 6: Final answer
   x = 17,516.29