Finding the Fourth Proportional to 3,947.40, 5,916.84 and 2,300.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947.40 : 5,916.84 = 2,300.52 : x
2. Step 2: Convert to fraction form
   3,947.40/5,916.84 = 2,300.52/x
3. Step 3: Cross multiply
   3,947.40x = 5,916.84 × 2,300.52
4. Step 4: Simplify right side
   3,947.40x = 13,611,808.76
5. Step 5: Solve for x
   x = 13,611,808.76/3,947.40
6. Step 6: Final answer
   x = 3,448.30