Finding the Fourth Proportional to 1,607.89, 2,215.42 and 1,083.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.89 : 2,215.42 = 1,083.01 : x
2. Step 2: Convert to fraction form
   1,607.89/2,215.42 = 1,083.01/x
3. Step 3: Cross multiply
   1,607.89x = 2,215.42 × 1,083.01
4. Step 4: Simplify right side
   1,607.89x = 2,399,322.01
5. Step 5: Solve for x
   x = 2,399,322.01/1,607.89
6. Step 6: Final answer
   x = 1,492.22