Finding the Fourth Proportional to 2,621.52, 3,947.90 and 2,364.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.52 : 3,947.90 = 2,364.48 : x
2. Step 2: Convert to fraction form
   2,621.52/3,947.90 = 2,364.48/x
3. Step 3: Cross multiply
   2,621.52x = 3,947.90 × 2,364.48
4. Step 4: Simplify right side
   2,621.52x = 9,334,718.77
5. Step 5: Solve for x
   x = 9,334,718.77/2,621.52
6. Step 6: Final answer
   x = 3,560.80