Finding the Fourth Proportional to 7,051.40, 9,730.86 and 3,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,051.40 : 9,730.86 = 3,864.72 : x
2. Step 2: Convert to fraction form
   7,051.40/9,730.86 = 3,864.72/x
3. Step 3: Cross multiply
   7,051.40x = 9,730.86 × 3,864.72
4. Step 4: Simplify right side
   7,051.40x = 37,607,049.26
5. Step 5: Solve for x
   x = 37,607,049.26/7,051.40
6. Step 6: Final answer
   x = 5,333.27