Finding the Fourth Proportional to 15,003.32, 22,507.71 and 5,143.59

Step by Step Solution

1. Step 1: Write the proportion equation
   15,003.32 : 22,507.71 = 5,143.59 : x
2. Step 2: Convert to fraction form
   15,003.32/22,507.71 = 5,143.59/x
3. Step 3: Cross multiply
   15,003.32x = 22,507.71 × 5,143.59
4. Step 4: Simplify right side
   15,003.32x = 115,770,412.79
5. Step 5: Solve for x
   x = 115,770,412.79/15,003.32
6. Step 6: Final answer
   x = 7,716.32