Finding the Fourth Proportional to 2,225.94, 3,336.72 and 1,053.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.94 : 3,336.72 = 1,053.88 : x
2. Step 2: Convert to fraction form
   2,225.94/3,336.72 = 1,053.88/x
3. Step 3: Cross multiply
   2,225.94x = 3,336.72 × 1,053.88
4. Step 4: Simplify right side
   2,225.94x = 3,516,502.47
5. Step 5: Solve for x
   x = 3,516,502.47/2,225.94
6. Step 6: Final answer
   x = 1,579.78