Finding the Fourth Proportional to 13,150.58, 19,719.30 and 4,382.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.58 : 19,719.30 = 4,382.42 : x
2. Step 2: Convert to fraction form
   13,150.58/19,719.30 = 4,382.42/x
3. Step 3: Cross multiply
   13,150.58x = 19,719.30 × 4,382.42
4. Step 4: Simplify right side
   13,150.58x = 86,418,254.71
5. Step 5: Solve for x
   x = 86,418,254.71/13,150.58
6. Step 6: Final answer
   x = 6,571.44