Finding the Fourth Proportional to 9,781.39, 14,664.79 and 5,884.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781.39 : 14,664.79 = 5,884.89 : x
2. Step 2: Convert to fraction form
   9,781.39/14,664.79 = 5,884.89/x
3. Step 3: Cross multiply
   9,781.39x = 14,664.79 × 5,884.89
4. Step 4: Simplify right side
   9,781.39x = 86,300,676.02
5. Step 5: Solve for x
   x = 86,300,676.02/9,781.39
6. Step 6: Final answer
   x = 8,822.95