Finding the Fourth Proportional to 23,145.76, 31,941.01 and 13,077.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,145.76 : 31,941.01 = 13,077.46 : x
2. Step 2: Convert to fraction form
   23,145.76/31,941.01 = 13,077.46/x
3. Step 3: Cross multiply
   23,145.76x = 31,941.01 × 13,077.46
4. Step 4: Simplify right side
   23,145.76x = 417,707,280.63
5. Step 5: Solve for x
   x = 417,707,280.63/23,145.76
6. Step 6: Final answer
   x = 18,046.82