Finding the Fourth Proportional to 14,290.68, 21,435.86 and 5,054.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,290.68 : 21,435.86 = 5,054.52 : x
2. Step 2: Convert to fraction form
   14,290.68/21,435.86 = 5,054.52/x
3. Step 3: Cross multiply
   14,290.68x = 21,435.86 × 5,054.52
4. Step 4: Simplify right side
   14,290.68x = 108,347,983.09
5. Step 5: Solve for x
   x = 108,347,983.09/14,290.68
6. Step 6: Final answer
   x = 7,581.72