Finding the Fourth Proportional to 7,076.55, 9,765.71 and 3,890.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,076.55 : 9,765.71 = 3,890.01 : x
2. Step 2: Convert to fraction form
   7,076.55/9,765.71 = 3,890.01/x
3. Step 3: Cross multiply
   7,076.55x = 9,765.71 × 3,890.01
4. Step 4: Simplify right side
   7,076.55x = 37,988,641.28
5. Step 5: Solve for x
   x = 37,988,641.28/7,076.55
6. Step 6: Final answer
   x = 5,368.25