Finding the Fourth Proportional to 3,277.30, 4,915.72 and 1,056.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,277.30 : 4,915.72 = 1,056.10 : x
2. Step 2: Convert to fraction form
   3,277.30/4,915.72 = 1,056.10/x
3. Step 3: Cross multiply
   3,277.30x = 4,915.72 × 1,056.10
4. Step 4: Simplify right side
   3,277.30x = 5,191,491.89
5. Step 5: Solve for x
   x = 5,191,491.89/3,277.30
6. Step 6: Final answer
   x = 1,584.08