Finding the Fourth Proportional to 1,085.99, 1,498.81 and 614.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.99 : 1,498.81 = 614.07 : x
2. Step 2: Convert to fraction form
   1,085.99/1,498.81 = 614.07/x
3. Step 3: Cross multiply
   1,085.99x = 1,498.81 × 614.07
4. Step 4: Simplify right side
   1,085.99x = 920,372.72
5. Step 5: Solve for x
   x = 920,372.72/1,085.99
6. Step 6: Final answer
   x = 847.50