Finding the Fourth Proportional to 1,985.42, 2,740.04 and 1,101.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985.42 : 2,740.04 = 1,101.39 : x
2. Step 2: Convert to fraction form
   1,985.42/2,740.04 = 1,101.39/x
3. Step 3: Cross multiply
   1,985.42x = 2,740.04 × 1,101.39
4. Step 4: Simplify right side
   1,985.42x = 3,017,847.15
5. Step 5: Solve for x
   x = 3,017,847.15/1,985.42
6. Step 6: Final answer
   x = 1,520.01