Finding the Fourth Proportional to 9,665.71, 14,500.38 and 3,090.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.71 : 14,500.38 = 3,090.13 : x
2. Step 2: Convert to fraction form
   9,665.71/14,500.38 = 3,090.13/x
3. Step 3: Cross multiply
   9,665.71x = 14,500.38 × 3,090.13
4. Step 4: Simplify right side
   9,665.71x = 44,808,034.59
5. Step 5: Solve for x
   x = 44,808,034.59/9,665.71
6. Step 6: Final answer
   x = 4,635.77