Finding the Fourth Proportional to 1,535.90, 2,300.60 and 714.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.90 : 2,300.60 = 714.83 : x
2. Step 2: Convert to fraction form
   1,535.90/2,300.60 = 714.83/x
3. Step 3: Cross multiply
   1,535.90x = 2,300.60 × 714.83
4. Step 4: Simplify right side
   1,535.90x = 1,644,528.18
5. Step 5: Solve for x
   x = 1,644,528.18/1,535.90
6. Step 6: Final answer
   x = 1,070.73