Finding the Fourth Proportional to 22,774.31, 34,114.28 and 13,386

Step by Step Solution

1. Step 1: Write the proportion equation
   22,774.31 : 34,114.28 = 13,386 : x
2. Step 2: Convert to fraction form
   22,774.31/34,114.28 = 13,386/x
3. Step 3: Cross multiply
   22,774.31x = 34,114.28 × 13,386
4. Step 4: Simplify right side
   22,774.31x = 456,653,685.15
5. Step 5: Solve for x
   x = 456,653,685.15/22,774.31
6. Step 6: Final answer
   x = 20,051.27