Finding the Fourth Proportional to 1,929.72, 2,654.93 and 1,486.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.72 : 2,654.93 = 1,486.86 : x
2. Step 2: Convert to fraction form
   1,929.72/2,654.93 = 1,486.86/x
3. Step 3: Cross multiply
   1,929.72x = 2,654.93 × 1,486.86
4. Step 4: Simplify right side
   1,929.72x = 3,947,494.62
5. Step 5: Solve for x
   x = 3,947,494.62/1,929.72
6. Step 6: Final answer
   x = 2,045.63