Finding the Fourth Proportional to 24,590.72, 33,934.76 and 13,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   24,590.72 : 33,934.76 = 13,412.72 : x
2. Step 2: Convert to fraction form
   24,590.72/33,934.76 = 13,412.72/x
3. Step 3: Cross multiply
   24,590.72x = 33,934.76 × 13,412.72
4. Step 4: Simplify right side
   24,590.72x = 455,157,434.15
5. Step 5: Solve for x
   x = 455,157,434.15/24,590.72
6. Step 6: Final answer
   x = 18,509.32