Finding the Fourth Proportional to 13,783.81, 19,021.80 and 7,496.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,783.81 : 19,021.80 = 7,496.32 : x
2. Step 2: Convert to fraction form
   13,783.81/19,021.80 = 7,496.32/x
3. Step 3: Cross multiply
   13,783.81x = 19,021.80 × 7,496.32
4. Step 4: Simplify right side
   13,783.81x = 142,593,499.78
5. Step 5: Solve for x
   x = 142,593,499.78/13,783.81
6. Step 6: Final answer
   x = 10,345.00