Finding the Fourth Proportional to 14,645.91, 21,964.31 and 5,284.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,645.91 : 21,964.31 = 5,284.71 : x
2. Step 2: Convert to fraction form
   14,645.91/21,964.31 = 5,284.71/x
3. Step 3: Cross multiply
   14,645.91x = 21,964.31 × 5,284.71
4. Step 4: Simplify right side
   14,645.91x = 116,074,967.00
5. Step 5: Solve for x
   x = 116,074,967.00/14,645.91
6. Step 6: Final answer
   x = 7,925.42