Finding the Fourth Proportional to 6,048.78, 8,347.32 and 3,690.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,048.78 : 8,347.32 = 3,690.48 : x
2. Step 2: Convert to fraction form
   6,048.78/8,347.32 = 3,690.48/x
3. Step 3: Cross multiply
   6,048.78x = 8,347.32 × 3,690.48
4. Step 4: Simplify right side
   6,048.78x = 30,805,617.51
5. Step 5: Solve for x
   x = 30,805,617.51/6,048.78
6. Step 6: Final answer
   x = 5,092.86