Finding the Fourth Proportional to 9,919.23, 14,865.77 and 4,653.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,919.23 : 14,865.77 = 4,653.42 : x
2. Step 2: Convert to fraction form
   9,919.23/14,865.77 = 4,653.42/x
3. Step 3: Cross multiply
   9,919.23x = 14,865.77 × 4,653.42
4. Step 4: Simplify right side
   9,919.23x = 69,176,648.17
5. Step 5: Solve for x
   x = 69,176,648.17/9,919.23
6. Step 6: Final answer
   x = 6,973.99