Finding the Fourth Proportional to 2,227.59, 3,339.72 and 1,056.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.59 : 3,339.72 = 1,056.87 : x
2. Step 2: Convert to fraction form
   2,227.59/3,339.72 = 1,056.87/x
3. Step 3: Cross multiply
   2,227.59x = 3,339.72 × 1,056.87
4. Step 4: Simplify right side
   2,227.59x = 3,529,649.88
5. Step 5: Solve for x
   x = 3,529,649.88/2,227.59
6. Step 6: Final answer
   x = 1,584.52