Finding the Fourth Proportional to 21,082.32, 31,634.42 and 9,392.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,082.32 : 31,634.42 = 9,392.82 : x
2. Step 2: Convert to fraction form
   21,082.32/31,634.42 = 9,392.82/x
3. Step 3: Cross multiply
   21,082.32x = 31,634.42 × 9,392.82
4. Step 4: Simplify right side
   21,082.32x = 297,136,412.86
5. Step 5: Solve for x
   x = 297,136,412.86/21,082.32
6. Step 6: Final answer
   x = 14,094.10