Finding the Fourth Proportional to 1,084.07, 1,495.98 and 612.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.07 : 1,495.98 = 612.02 : x
2. Step 2: Convert to fraction form
   1,084.07/1,495.98 = 612.02/x
3. Step 3: Cross multiply
   1,084.07x = 1,495.98 × 612.02
4. Step 4: Simplify right side
   1,084.07x = 915,562.20
5. Step 5: Solve for x
   x = 915,562.20/1,084.07
6. Step 6: Final answer
   x = 844.56