Finding the Fourth Proportional to 7,142.35, 9,843.45 and 5,875.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,142.35 : 9,843.45 = 5,875.31 : x
2. Step 2: Convert to fraction form
   7,142.35/9,843.45 = 5,875.31/x
3. Step 3: Cross multiply
   7,142.35x = 9,843.45 × 5,875.31
4. Step 4: Simplify right side
   7,142.35x = 57,833,320.22
5. Step 5: Solve for x
   x = 57,833,320.22/7,142.35
6. Step 6: Final answer
   x = 8,097.24