Finding the Fourth Proportional to 10,065.38, 15,100.74 and 3,491.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.38 : 15,100.74 = 3,491.55 : x
2. Step 2: Convert to fraction form
   10,065.38/15,100.74 = 3,491.55/x
3. Step 3: Cross multiply
   10,065.38x = 15,100.74 × 3,491.55
4. Step 4: Simplify right side
   10,065.38x = 52,724,988.75
5. Step 5: Solve for x
   x = 52,724,988.75/10,065.38
6. Step 6: Final answer
   x = 5,238.25