Finding the Fourth Proportional to 1,084.06, 1,495.88 and 611.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.06 : 1,495.88 = 611.98 : x
2. Step 2: Convert to fraction form
   1,084.06/1,495.88 = 611.98/x
3. Step 3: Cross multiply
   1,084.06x = 1,495.88 × 611.98
4. Step 4: Simplify right side
   1,084.06x = 915,446.43
5. Step 5: Solve for x
   x = 915,446.43/1,084.06
6. Step 6: Final answer
   x = 844.46