Finding the Fourth Proportional to 9,916.79, 14,870.85 and 3,341.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,916.79 : 14,870.85 = 3,341.21 : x
2. Step 2: Convert to fraction form
   9,916.79/14,870.85 = 3,341.21/x
3. Step 3: Cross multiply
   9,916.79x = 14,870.85 × 3,341.21
4. Step 4: Simplify right side
   9,916.79x = 49,686,558.37
5. Step 5: Solve for x
   x = 49,686,558.37/9,916.79
6. Step 6: Final answer
   x = 5,010.35