Finding the Fourth Proportional to 14,066.19, 21,100.73 and 5,308.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,066.19 : 21,100.73 = 5,308.47 : x
2. Step 2: Convert to fraction form
   14,066.19/21,100.73 = 5,308.47/x
3. Step 3: Cross multiply
   14,066.19x = 21,100.73 × 5,308.47
4. Step 4: Simplify right side
   14,066.19x = 112,012,565.64
5. Step 5: Solve for x
   x = 112,012,565.64/14,066.19
6. Step 6: Final answer
   x = 7,963.25