Finding the Fourth Proportional to 19,141.52, 28,713.92 and 5,290.52

Step by Step Solution

1. Step 1: Write the proportion equation
   19,141.52 : 28,713.92 = 5,290.52 : x
2. Step 2: Convert to fraction form
   19,141.52/28,713.92 = 5,290.52/x
3. Step 3: Cross multiply
   19,141.52x = 28,713.92 × 5,290.52
4. Step 4: Simplify right side
   19,141.52x = 151,911,568.04
5. Step 5: Solve for x
   x = 151,911,568.04/19,141.52
6. Step 6: Final answer
   x = 7,936.23