Finding the Fourth Proportional to 2,654.76, 3,977.52 and 1,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.76 : 3,977.52 = 1,422.72 : x
2. Step 2: Convert to fraction form
   2,654.76/3,977.52 = 1,422.72/x
3. Step 3: Cross multiply
   2,654.76x = 3,977.52 × 1,422.72
4. Step 4: Simplify right side
   2,654.76x = 5,658,897.25
5. Step 5: Solve for x
   x = 5,658,897.25/2,654.76
6. Step 6: Final answer
   x = 2,131.60