Finding the Fourth Proportional to 21,426.72, 32,138.86 and 5,843.13

Step by Step Solution

1. Step 1: Write the proportion equation
   21,426.72 : 32,138.86 = 5,843.13 : x
2. Step 2: Convert to fraction form
   21,426.72/32,138.86 = 5,843.13/x
3. Step 3: Cross multiply
   21,426.72x = 32,138.86 × 5,843.13
4. Step 4: Simplify right side
   21,426.72x = 187,791,537.03
5. Step 5: Solve for x
   x = 187,791,537.03/21,426.72
6. Step 6: Final answer
   x = 8,764.36