Finding the Fourth Proportional to 9,780.39, 14,663.29 and 5,883.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,780.39 : 14,663.29 = 5,883.89 : x
2. Step 2: Convert to fraction form
   9,780.39/14,663.29 = 5,883.89/x
3. Step 3: Cross multiply
   9,780.39x = 14,663.29 × 5,883.89
4. Step 4: Simplify right side
   9,780.39x = 86,277,185.40
5. Step 5: Solve for x
   x = 86,277,185.40/9,780.39
6. Step 6: Final answer
   x = 8,821.45