Finding the Fourth Proportional to 21,508.32, 32,256.72 and 5,926.80

Step by Step Solution

1. Step 1: Write the proportion equation
   21,508.32 : 32,256.72 = 5,926.80 : x
2. Step 2: Convert to fraction form
   21,508.32/32,256.72 = 5,926.80/x
3. Step 3: Cross multiply
   21,508.32x = 32,256.72 × 5,926.80
4. Step 4: Simplify right side
   21,508.32x = 191,179,128.10
5. Step 5: Solve for x
   x = 191,179,128.10/21,508.32
6. Step 6: Final answer
   x = 8,888.61