Finding the Fourth Proportional to 7,030.57, 9,701.88 and 3,886.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,030.57 : 9,701.88 = 3,886.69 : x
2. Step 2: Convert to fraction form
   7,030.57/9,701.88 = 3,886.69/x
3. Step 3: Cross multiply
   7,030.57x = 9,701.88 × 3,886.69
4. Step 4: Simplify right side
   7,030.57x = 37,708,199.98
5. Step 5: Solve for x
   x = 37,708,199.98/7,030.57
6. Step 6: Final answer
   x = 5,363.46