Finding the Fourth Proportional to 13,782.27, 19,019.43 and 7,494.65

Step by Step Solution

1. Step 1: Write the proportion equation
   13,782.27 : 19,019.43 = 7,494.65 : x
2. Step 2: Convert to fraction form
   13,782.27/19,019.43 = 7,494.65/x
3. Step 3: Cross multiply
   13,782.27x = 19,019.43 × 7,494.65
4. Step 4: Simplify right side
   13,782.27x = 142,543,875.95
5. Step 5: Solve for x
   x = 142,543,875.95/13,782.27
6. Step 6: Final answer
   x = 10,342.55