Finding the Fourth Proportional to 2,191.98, 3,025.01 and 1,197.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.98 : 3,025.01 = 1,197.30 : x
2. Step 2: Convert to fraction form
   2,191.98/3,025.01 = 1,197.30/x
3. Step 3: Cross multiply
   2,191.98x = 3,025.01 × 1,197.30
4. Step 4: Simplify right side
   2,191.98x = 3,621,844.47
5. Step 5: Solve for x
   x = 3,621,844.47/2,191.98
6. Step 6: Final answer
   x = 1,652.32