Finding the Fourth Proportional to 7,051.83, 9,731.64 and 3,865.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,051.83 : 9,731.64 = 3,865.43 : x
2. Step 2: Convert to fraction form
   7,051.83/9,731.64 = 3,865.43/x
3. Step 3: Cross multiply
   7,051.83x = 9,731.64 × 3,865.43
4. Step 4: Simplify right side
   7,051.83x = 37,616,935.55
5. Step 5: Solve for x
   x = 37,616,935.55/7,051.83
6. Step 6: Final answer
   x = 5,334.35