Finding the Fourth Proportional to 3,437.89, 4,742.48 and 2,176.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,437.89 : 4,742.48 = 2,176.72 : x
2. Step 2: Convert to fraction form
   3,437.89/4,742.48 = 2,176.72/x
3. Step 3: Cross multiply
   3,437.89x = 4,742.48 × 2,176.72
4. Step 4: Simplify right side
   3,437.89x = 10,323,071.33
5. Step 5: Solve for x
   x = 10,323,071.33/3,437.89
6. Step 6: Final answer
   x = 3,002.73