Finding the Fourth Proportional to 13,782.48, 19,019.56 and 7,494.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,782.48 : 19,019.56 = 7,494.80 : x
2. Step 2: Convert to fraction form
   13,782.48/19,019.56 = 7,494.80/x
3. Step 3: Cross multiply
   13,782.48x = 19,019.56 × 7,494.80
4. Step 4: Simplify right side
   13,782.48x = 142,547,798.29
5. Step 5: Solve for x
   x = 142,547,798.29/13,782.48
6. Step 6: Final answer
   x = 10,342.68