Finding the Fourth Proportional to 21,179.23, 31,748.18 and 10,082.93

Step by Step Solution

1. Step 1: Write the proportion equation
   21,179.23 : 31,748.18 = 10,082.93 : x
2. Step 2: Convert to fraction form
   21,179.23/31,748.18 = 10,082.93/x
3. Step 3: Cross multiply
   21,179.23x = 31,748.18 × 10,082.93
4. Step 4: Simplify right side
   21,179.23x = 320,114,626.15
5. Step 5: Solve for x
   x = 320,114,626.15/21,179.23
6. Step 6: Final answer
   x = 15,114.56