Finding the Fourth Proportional to 23,146.17, 31,941.70 and 13,074.13

Step by Step Solution

1. Step 1: Write the proportion equation
   23,146.17 : 31,941.70 = 13,074.13 : x
2. Step 2: Convert to fraction form
   23,146.17/31,941.70 = 13,074.13/x
3. Step 3: Cross multiply
   23,146.17x = 31,941.70 × 13,074.13
4. Step 4: Simplify right side
   23,146.17x = 417,609,938.22
5. Step 5: Solve for x
   x = 417,609,938.22/23,146.17
6. Step 6: Final answer
   x = 18,042.29