Finding the Fourth Proportional to 21,343.78, 32,012.06 and 7,832.17

Step by Step Solution

1. Step 1: Write the proportion equation
   21,343.78 : 32,012.06 = 7,832.17 : x
2. Step 2: Convert to fraction form
   21,343.78/32,012.06 = 7,832.17/x
3. Step 3: Cross multiply
   21,343.78x = 32,012.06 × 7,832.17
4. Step 4: Simplify right side
   21,343.78x = 250,723,776.78
5. Step 5: Solve for x
   x = 250,723,776.78/21,343.78
6. Step 6: Final answer
   x = 11,746.93