Finding the Fourth Proportional to 9,890.88, 14,838.54 and 3,316.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890.88 : 14,838.54 = 3,316.89 : x
2. Step 2: Convert to fraction form
   9,890.88/14,838.54 = 3,316.89/x
3. Step 3: Cross multiply
   9,890.88x = 14,838.54 × 3,316.89
4. Step 4: Simplify right side
   9,890.88x = 49,217,848.15
5. Step 5: Solve for x
   x = 49,217,848.15/9,890.88
6. Step 6: Final answer
   x = 4,976.09