Finding the Fourth Proportional to 1,654.72, 2,493.28 and 1,372.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.72 : 2,493.28 = 1,372.48 : x
2. Step 2: Convert to fraction form
   1,654.72/2,493.28 = 1,372.48/x
3. Step 3: Cross multiply
   1,654.72x = 2,493.28 × 1,372.48
4. Step 4: Simplify right side
   1,654.72x = 3,421,976.93
5. Step 5: Solve for x
   x = 3,421,976.93/1,654.72
6. Step 6: Final answer
   x = 2,068.01