Finding the Fourth Proportional to 2,140.69, 3,211.01 and 1,100.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.69 : 3,211.01 = 1,100.98 : x
2. Step 2: Convert to fraction form
   2,140.69/3,211.01 = 1,100.98/x
3. Step 3: Cross multiply
   2,140.69x = 3,211.01 × 1,100.98
4. Step 4: Simplify right side
   2,140.69x = 3,535,253.55
5. Step 5: Solve for x
   x = 3,535,253.55/2,140.69
6. Step 6: Final answer
   x = 1,651.46