Finding the Fourth Proportional to 2,200.88, 3,037.20 and 1,316.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.88 : 3,037.20 = 1,316.72 : x
2. Step 2: Convert to fraction form
   2,200.88/3,037.20 = 1,316.72/x
3. Step 3: Cross multiply
   2,200.88x = 3,037.20 × 1,316.72
4. Step 4: Simplify right side
   2,200.88x = 3,999,141.98
5. Step 5: Solve for x
   x = 3,999,141.98/2,200.88
6. Step 6: Final answer
   x = 1,817.06