Finding the Fourth Proportional to 4,742.42, 7,111.26 and 1,454.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,742.42 : 7,111.26 = 1,454.72 : x
2. Step 2: Convert to fraction form
   4,742.42/7,111.26 = 1,454.72/x
3. Step 3: Cross multiply
   4,742.42x = 7,111.26 × 1,454.72
4. Step 4: Simplify right side
   4,742.42x = 10,344,856.59
5. Step 5: Solve for x
   x = 10,344,856.59/4,742.42
6. Step 6: Final answer
   x = 2,181.35