Finding the Fourth Proportional to 2,191.75, 3,024.72 and 1,197.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.75 : 3,024.72 = 1,197.10 : x
2. Step 2: Convert to fraction form
   2,191.75/3,024.72 = 1,197.10/x
3. Step 3: Cross multiply
   2,191.75x = 3,024.72 × 1,197.10
4. Step 4: Simplify right side
   2,191.75x = 3,620,892.31
5. Step 5: Solve for x
   x = 3,620,892.31/2,191.75
6. Step 6: Final answer
   x = 1,652.06