Finding the Fourth Proportional to 9,943.32, 14,916.42 and 3,019.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943.32 : 14,916.42 = 3,019.80 : x
2. Step 2: Convert to fraction form
   9,943.32/14,916.42 = 3,019.80/x
3. Step 3: Cross multiply
   9,943.32x = 14,916.42 × 3,019.80
4. Step 4: Simplify right side
   9,943.32x = 45,044,605.12
5. Step 5: Solve for x
   x = 45,044,605.12/9,943.32
6. Step 6: Final answer
   x = 4,530.14