Finding the Fourth Proportional to 13,782.31, 19,019.73 and 7,494.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,782.31 : 19,019.73 = 7,494.82 : x
2. Step 2: Convert to fraction form
   13,782.31/19,019.73 = 7,494.82/x
3. Step 3: Cross multiply
   13,782.31x = 19,019.73 × 7,494.82
4. Step 4: Simplify right side
   13,782.31x = 142,549,452.80
5. Step 5: Solve for x
   x = 142,549,452.80/13,782.31
6. Step 6: Final answer
   x = 10,342.93