Finding the Fourth Proportional to 9,881.89, 14,828.69 and 3,646.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,881.89 : 14,828.69 = 3,646.29 : x
2. Step 2: Convert to fraction form
   9,881.89/14,828.69 = 3,646.29/x
3. Step 3: Cross multiply
   9,881.89x = 14,828.69 × 3,646.29
4. Step 4: Simplify right side
   9,881.89x = 54,069,704.06
5. Step 5: Solve for x
   x = 54,069,704.06/9,881.89
6. Step 6: Final answer
   x = 5,471.60