Finding the Fourth Proportional to 9,919.84, 14,863.34 and 4,979.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,919.84 : 14,863.34 = 4,979.04 : x
2. Step 2: Convert to fraction form
   9,919.84/14,863.34 = 4,979.04/x
3. Step 3: Cross multiply
   9,919.84x = 14,863.34 × 4,979.04
4. Step 4: Simplify right side
   9,919.84x = 74,005,164.39
5. Step 5: Solve for x
   x = 74,005,164.39/9,919.84
6. Step 6: Final answer
   x = 7,460.32