Finding the Fourth Proportional to 5,320.58, 7,940.65 and 5,182.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320.58 : 7,940.65 = 5,182.34 : x
2. Step 2: Convert to fraction form
   5,320.58/7,940.65 = 5,182.34/x
3. Step 3: Cross multiply
   5,320.58x = 7,940.65 × 5,182.34
4. Step 4: Simplify right side
   5,320.58x = 41,151,148.12
5. Step 5: Solve for x
   x = 41,151,148.12/5,320.58
6. Step 6: Final answer
   x = 7,734.34