Finding the Fourth Proportional to 1,087.02, 1,499.72 and 614.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.02 : 1,499.72 = 614.84 : x
2. Step 2: Convert to fraction form
   1,087.02/1,499.72 = 614.84/x
3. Step 3: Cross multiply
   1,087.02x = 1,499.72 × 614.84
4. Step 4: Simplify right side
   1,087.02x = 922,087.84
5. Step 5: Solve for x
   x = 922,087.84/1,087.02
6. Step 6: Final answer
   x = 848.27