Finding the Fourth Proportional to 1,838.40, 2,756.50 and 741.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.40 : 2,756.50 = 741.48 : x
2. Step 2: Convert to fraction form
   1,838.40/2,756.50 = 741.48/x
3. Step 3: Cross multiply
   1,838.40x = 2,756.50 × 741.48
4. Step 4: Simplify right side
   1,838.40x = 2,043,885.91
5. Step 5: Solve for x
   x = 2,043,885.91/1,838.40
6. Step 6: Final answer
   x = 1,111.77