Finding the Fourth Proportional to 1,554.02, 2,146.44 and 1,162.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.02 : 2,146.44 = 1,162.78 : x
2. Step 2: Convert to fraction form
   1,554.02/2,146.44 = 1,162.78/x
3. Step 3: Cross multiply
   1,554.02x = 2,146.44 × 1,162.78
4. Step 4: Simplify right side
   1,554.02x = 2,495,837.50
5. Step 5: Solve for x
   x = 2,495,837.50/1,554.02
6. Step 6: Final answer
   x = 1,606.05