Finding the Fourth Proportional to 7,045.48, 9,722.32 and 3,901.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,045.48 : 9,722.32 = 3,901.72 : x
2. Step 2: Convert to fraction form
   7,045.48/9,722.32 = 3,901.72/x
3. Step 3: Cross multiply
   7,045.48x = 9,722.32 × 3,901.72
4. Step 4: Simplify right side
   7,045.48x = 37,933,770.39
5. Step 5: Solve for x
   x = 37,933,770.39/7,045.48
6. Step 6: Final answer
   x = 5,384.13