Finding the Fourth Proportional to 1,539.69, 2,127.55 and 1,096.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,539.69 : 2,127.55 = 1,096.83 : x
2. Step 2: Convert to fraction form
   1,539.69/2,127.55 = 1,096.83/x
3. Step 3: Cross multiply
   1,539.69x = 2,127.55 × 1,096.83
4. Step 4: Simplify right side
   1,539.69x = 2,333,560.67
5. Step 5: Solve for x
   x = 2,333,560.67/1,539.69
6. Step 6: Final answer
   x = 1,515.60