Finding the Fourth Proportional to 3,742.50, 5,615.81 and 1,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742.50 : 5,615.81 = 1,404.12 : x
2. Step 2: Convert to fraction form
   3,742.50/5,615.81 = 1,404.12/x
3. Step 3: Cross multiply
   3,742.50x = 5,615.81 × 1,404.12
4. Step 4: Simplify right side
   3,742.50x = 7,885,264.12
5. Step 5: Solve for x
   x = 7,885,264.12/3,742.50
6. Step 6: Final answer
   x = 2,106.95