Finding the Fourth Proportional to 5,535.15, 8,307.93 and 3,687.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,535.15 : 8,307.93 = 3,687.56 : x
2. Step 2: Convert to fraction form
   5,535.15/8,307.93 = 3,687.56/x
3. Step 3: Cross multiply
   5,535.15x = 8,307.93 × 3,687.56
4. Step 4: Simplify right side
   5,535.15x = 30,635,948.81
5. Step 5: Solve for x
   x = 30,635,948.81/5,535.15
6. Step 6: Final answer
   x = 5,534.80