Finding the Fourth Proportional to 14,111.22, 21,167.34 and 5,346.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.22 : 21,167.34 = 5,346.78 : x
2. Step 2: Convert to fraction form
   14,111.22/21,167.34 = 5,346.78/x
3. Step 3: Cross multiply
   14,111.22x = 21,167.34 × 5,346.78
4. Step 4: Simplify right side
   14,111.22x = 113,177,110.17
5. Step 5: Solve for x
   x = 113,177,110.17/14,111.22
6. Step 6: Final answer
   x = 8,020.36