Finding the Fourth Proportional to 6,887.49, 9,504.69 and 3,903.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,887.49 : 9,504.69 = 3,903.30 : x
2. Step 2: Convert to fraction form
   6,887.49/9,504.69 = 3,903.30/x
3. Step 3: Cross multiply
   6,887.49x = 9,504.69 × 3,903.30
4. Step 4: Simplify right side
   6,887.49x = 37,099,656.48
5. Step 5: Solve for x
   x = 37,099,656.48/6,887.49
6. Step 6: Final answer
   x = 5,386.53