Finding the Fourth Proportional to 7,030.39, 9,701.56 and 3,886.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,030.39 : 9,701.56 = 3,886.38 : x
2. Step 2: Convert to fraction form
   7,030.39/9,701.56 = 3,886.38/x
3. Step 3: Cross multiply
   7,030.39x = 9,701.56 × 3,886.38
4. Step 4: Simplify right side
   7,030.39x = 37,703,890.53
5. Step 5: Solve for x
   x = 37,703,890.53/7,030.39
6. Step 6: Final answer
   x = 5,362.99