Finding the Fourth Proportional to 23,288.56, 34,941.96 and 13,422.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,288.56 : 34,941.96 = 13,422.46 : x
2. Step 2: Convert to fraction form
   23,288.56/34,941.96 = 13,422.46/x
3. Step 3: Cross multiply
   23,288.56x = 34,941.96 × 13,422.46
4. Step 4: Simplify right side
   23,288.56x = 469,007,060.42
5. Step 5: Solve for x
   x = 469,007,060.42/23,288.56
6. Step 6: Final answer
   x = 20,138.95