Finding the Fourth Proportional to 10,123.46, 15,191.97 and 3,549.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.46 : 15,191.97 = 3,549.65 : x
2. Step 2: Convert to fraction form
   10,123.46/15,191.97 = 3,549.65/x
3. Step 3: Cross multiply
   10,123.46x = 15,191.97 × 3,549.65
4. Step 4: Simplify right side
   10,123.46x = 53,926,176.31
5. Step 5: Solve for x
   x = 53,926,176.31/10,123.46
6. Step 6: Final answer
   x = 5,326.85