Finding the Fourth Proportional to 13,007.68, 19,514.72 and 3,773.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,007.68 : 19,514.72 = 3,773.68 : x
2. Step 2: Convert to fraction form
   13,007.68/19,514.72 = 3,773.68/x
3. Step 3: Cross multiply
   13,007.68x = 19,514.72 × 3,773.68
4. Step 4: Simplify right side
   13,007.68x = 73,642,308.57
5. Step 5: Solve for x
   x = 73,642,308.57/13,007.68
6. Step 6: Final answer
   x = 5,661.45