Finding the Fourth Proportional to 2,191.63, 3,024.31 and 1,196.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.63 : 3,024.31 = 1,196.70 : x
2. Step 2: Convert to fraction form
   2,191.63/3,024.31 = 1,196.70/x
3. Step 3: Cross multiply
   2,191.63x = 3,024.31 × 1,196.70
4. Step 4: Simplify right side
   2,191.63x = 3,619,206.86
5. Step 5: Solve for x
   x = 3,619,206.86/2,191.63
6. Step 6: Final answer
   x = 1,651.38