Finding the Fourth Proportional to 5,087.61, 7,636.41 and 3,773.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.61 : 7,636.41 = 3,773.12 : x
2. Step 2: Convert to fraction form
   5,087.61/7,636.41 = 3,773.12/x
3. Step 3: Cross multiply
   5,087.61x = 7,636.41 × 3,773.12
4. Step 4: Simplify right side
   5,087.61x = 28,813,053.12
5. Step 5: Solve for x
   x = 28,813,053.12/5,087.61
6. Step 6: Final answer
   x = 5,663.38