Finding the Fourth Proportional to 16,738.52, 23,123.19 and 13,376.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,738.52 : 23,123.19 = 13,376.93 : x
2. Step 2: Convert to fraction form
   16,738.52/23,123.19 = 13,376.93/x
3. Step 3: Cross multiply
   16,738.52x = 23,123.19 × 13,376.93
4. Step 4: Simplify right side
   16,738.52x = 309,317,294.01
5. Step 5: Solve for x
   x = 309,317,294.01/16,738.52
6. Step 6: Final answer
   x = 18,479.37