Finding the Fourth Proportional to 28,123.92, 38,818.71 and 17,507.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,123.92 : 38,818.71 = 17,507.25 : x
2. Step 2: Convert to fraction form
   28,123.92/38,818.71 = 17,507.25/x
3. Step 3: Cross multiply
   28,123.92x = 38,818.71 × 17,507.25
4. Step 4: Simplify right side
   28,123.92x = 679,608,860.65
5. Step 5: Solve for x
   x = 679,608,860.65/28,123.92
6. Step 6: Final answer
   x = 24,164.80