Finding the Fourth Proportional to 5,761.30, 7,982.71 and 5,636.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,761.30 : 7,982.71 = 5,636.74 : x
2. Step 2: Convert to fraction form
   5,761.30/7,982.71 = 5,636.74/x
3. Step 3: Cross multiply
   5,761.30x = 7,982.71 × 5,636.74
4. Step 4: Simplify right side
   5,761.30x = 44,996,460.77
5. Step 5: Solve for x
   x = 44,996,460.77/5,761.30
6. Step 6: Final answer
   x = 7,810.12