Finding the Fourth Proportional to 13,784.48, 19,022.32 and 7,496.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,784.48 : 19,022.32 = 7,496.80 : x
2. Step 2: Convert to fraction form
   13,784.48/19,022.32 = 7,496.80/x
3. Step 3: Cross multiply
   13,784.48x = 19,022.32 × 7,496.80
4. Step 4: Simplify right side
   13,784.48x = 142,606,528.58
5. Step 5: Solve for x
   x = 142,606,528.58/13,784.48
6. Step 6: Final answer
   x = 10,345.44