Finding the Fourth Proportional to 6,621.82, 9,927.50 and 4,535.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,621.82 : 9,927.50 = 4,535.53 : x
2. Step 2: Convert to fraction form
   6,621.82/9,927.50 = 4,535.53/x
3. Step 3: Cross multiply
   6,621.82x = 9,927.50 × 4,535.53
4. Step 4: Simplify right side
   6,621.82x = 45,026,426.58
5. Step 5: Solve for x
   x = 45,026,426.58/6,621.82
6. Step 6: Final answer
   x = 6,799.71