Finding the Fourth Proportional to 6,801.72, 9,386.28 and 3,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,801.72 : 9,386.28 = 3,817.50 : x
2. Step 2: Convert to fraction form
   6,801.72/9,386.28 = 3,817.50/x
3. Step 3: Cross multiply
   6,801.72x = 9,386.28 × 3,817.50
4. Step 4: Simplify right side
   6,801.72x = 35,832,123.90
5. Step 5: Solve for x
   x = 35,832,123.90/6,801.72
6. Step 6: Final answer
   x = 5,268.10