Finding the Fourth Proportional to 13,323.65, 19,987.59 and 5,004.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,323.65 : 19,987.59 = 5,004.30 : x
2. Step 2: Convert to fraction form
   13,323.65/19,987.59 = 5,004.30/x
3. Step 3: Cross multiply
   13,323.65x = 19,987.59 × 5,004.30
4. Step 4: Simplify right side
   13,323.65x = 100,023,877.86
5. Step 5: Solve for x
   x = 100,023,877.86/13,323.65
6. Step 6: Final answer
   x = 7,507.24