Finding the Fourth Proportional to 19,612.27, 29,409.16 and 7,123.49

Step by Step Solution

1. Step 1: Write the proportion equation
   19,612.27 : 29,409.16 = 7,123.49 : x
2. Step 2: Convert to fraction form
   19,612.27/29,409.16 = 7,123.49/x
3. Step 3: Cross multiply
   19,612.27x = 29,409.16 × 7,123.49
4. Step 4: Simplify right side
   19,612.27x = 209,495,719.03
5. Step 5: Solve for x
   x = 209,495,719.03/19,612.27
6. Step 6: Final answer
   x = 10,681.87