Finding the Fourth Proportional to 7,031.01, 9,703.35 and 3,887.67

Step by Step Solution

1. Step 1: Write the proportion equation
   7,031.01 : 9,703.35 = 3,887.67 : x
2. Step 2: Convert to fraction form
   7,031.01/9,703.35 = 3,887.67/x
3. Step 3: Cross multiply
   7,031.01x = 9,703.35 × 3,887.67
4. Step 4: Simplify right side
   7,031.01x = 37,723,422.69
5. Step 5: Solve for x
   x = 37,723,422.69/7,031.01
6. Step 6: Final answer
   x = 5,365.29