Finding the Fourth Proportional to 1,695.99, 2,546.42 and 1,109.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,695.99 : 2,546.42 = 1,109.15 : x
2. Step 2: Convert to fraction form
   1,695.99/2,546.42 = 1,109.15/x
3. Step 3: Cross multiply
   1,695.99x = 2,546.42 × 1,109.15
4. Step 4: Simplify right side
   1,695.99x = 2,824,343.47
5. Step 5: Solve for x
   x = 2,824,343.47/1,695.99
6. Step 6: Final answer
   x = 1,665.31