Finding the Fourth Proportional to 9,890.03, 14,835.06 and 3,316.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890.03 : 14,835.06 = 3,316.25 : x
2. Step 2: Convert to fraction form
   9,890.03/14,835.06 = 3,316.25/x
3. Step 3: Cross multiply
   9,890.03x = 14,835.06 × 3,316.25
4. Step 4: Simplify right side
   9,890.03x = 49,196,693.55
5. Step 5: Solve for x
   x = 49,196,693.55/9,890.03
6. Step 6: Final answer
   x = 4,974.38