Finding the Fourth Proportional to 6,643.32, 9,157.76 and 5,462.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,643.32 : 9,157.76 = 5,462.34 : x
2. Step 2: Convert to fraction form
   6,643.32/9,157.76 = 5,462.34/x
3. Step 3: Cross multiply
   6,643.32x = 9,157.76 × 5,462.34
4. Step 4: Simplify right side
   6,643.32x = 50,022,798.76
5. Step 5: Solve for x
   x = 50,022,798.76/6,643.32
6. Step 6: Final answer
   x = 7,529.79