Finding the Fourth Proportional to 13,784.42, 19,022.52 and 7,496.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,784.42 : 19,022.52 = 7,496.78 : x
2. Step 2: Convert to fraction form
   13,784.42/19,022.52 = 7,496.78/x
3. Step 3: Cross multiply
   13,784.42x = 19,022.52 × 7,496.78
4. Step 4: Simplify right side
   13,784.42x = 142,607,647.49
5. Step 5: Solve for x
   x = 142,607,647.49/13,784.42
6. Step 6: Final answer
   x = 10,345.57