Finding the Fourth Proportional to 1,707.37, 2,356.22 and 999.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.37 : 2,356.22 = 999.10 : x
2. Step 2: Convert to fraction form
   1,707.37/2,356.22 = 999.10/x
3. Step 3: Cross multiply
   1,707.37x = 2,356.22 × 999.10
4. Step 4: Simplify right side
   1,707.37x = 2,354,099.40
5. Step 5: Solve for x
   x = 2,354,099.40/1,707.37
6. Step 6: Final answer
   x = 1,378.79