Finding the Fourth Proportional to 14,427.78, 21,638.93 and 5,065.59

Step by Step Solution

1. Step 1: Write the proportion equation
   14,427.78 : 21,638.93 = 5,065.59 : x
2. Step 2: Convert to fraction form
   14,427.78/21,638.93 = 5,065.59/x
3. Step 3: Cross multiply
   14,427.78x = 21,638.93 × 5,065.59
4. Step 4: Simplify right side
   14,427.78x = 109,613,947.42
5. Step 5: Solve for x
   x = 109,613,947.42/14,427.78
6. Step 6: Final answer
   x = 7,597.42