Finding the Fourth Proportional to 13,870.33, 19,141.07 and 7,582.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,870.33 : 19,141.07 = 7,582.71 : x
2. Step 2: Convert to fraction form
   13,870.33/19,141.07 = 7,582.71/x
3. Step 3: Cross multiply
   13,870.33x = 19,141.07 × 7,582.71
4. Step 4: Simplify right side
   13,870.33x = 145,141,182.90
5. Step 5: Solve for x
   x = 145,141,182.90/13,870.33
6. Step 6: Final answer
   x = 10,464.15