Finding the Fourth Proportional to 3,787.52, 5,672.46 and 3,656.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787.52 : 5,672.46 = 3,656.15 : x
2. Step 2: Convert to fraction form
   3,787.52/5,672.46 = 3,656.15/x
3. Step 3: Cross multiply
   3,787.52x = 5,672.46 × 3,656.15
4. Step 4: Simplify right side
   3,787.52x = 20,739,327.13
5. Step 5: Solve for x
   x = 20,739,327.13/3,787.52
6. Step 6: Final answer
   x = 5,475.70