Finding the Fourth Proportional to 9,342.82, 12,893.73 and 5,710.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,342.82 : 12,893.73 = 5,710.43 : x
2. Step 2: Convert to fraction form
   9,342.82/12,893.73 = 5,710.43/x
3. Step 3: Cross multiply
   9,342.82x = 12,893.73 × 5,710.43
4. Step 4: Simplify right side
   9,342.82x = 73,628,678.14
5. Step 5: Solve for x
   x = 73,628,678.14/9,342.82
6. Step 6: Final answer
   x = 7,880.78