Finding the Fourth Proportional to 2,200.19, 3,036.78 and 1,316.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.19 : 3,036.78 = 1,316.52 : x
2. Step 2: Convert to fraction form
   2,200.19/3,036.78 = 1,316.52/x
3. Step 3: Cross multiply
   2,200.19x = 3,036.78 × 1,316.52
4. Step 4: Simplify right side
   2,200.19x = 3,997,981.61
5. Step 5: Solve for x
   x = 3,997,981.61/2,200.19
6. Step 6: Final answer
   x = 1,817.11