Finding the Fourth Proportional to 2,191.47, 3,024.30 and 1,196.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.47 : 3,024.30 = 1,196.81 : x
2. Step 2: Convert to fraction form
   2,191.47/3,024.30 = 1,196.81/x
3. Step 3: Cross multiply
   2,191.47x = 3,024.30 × 1,196.81
4. Step 4: Simplify right side
   2,191.47x = 3,619,513.19
5. Step 5: Solve for x
   x = 3,619,513.19/2,191.47
6. Step 6: Final answer
   x = 1,651.64