Finding the Fourth Proportional to 1,107.59, 1,528.43 and 610.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107.59 : 1,528.43 = 610.16 : x
2. Step 2: Convert to fraction form
   1,107.59/1,528.43 = 610.16/x
3. Step 3: Cross multiply
   1,107.59x = 1,528.43 × 610.16
4. Step 4: Simplify right side
   1,107.59x = 932,576.16
5. Step 5: Solve for x
   x = 932,576.16/1,107.59
6. Step 6: Final answer
   x = 841.99