Finding the Fourth Proportional to 7,825.80, 10,801.56 and 5,312.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,825.80 : 10,801.56 = 5,312.10 : x
2. Step 2: Convert to fraction form
   7,825.80/10,801.56 = 5,312.10/x
3. Step 3: Cross multiply
   7,825.80x = 10,801.56 × 5,312.10
4. Step 4: Simplify right side
   7,825.80x = 57,378,966.88
5. Step 5: Solve for x
   x = 57,378,966.88/7,825.80
6. Step 6: Final answer
   x = 7,332.03