Finding the Fourth Proportional to 1,554.02, 2,142.77 and 1,160.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.02 : 2,142.77 = 1,160.38 : x
2. Step 2: Convert to fraction form
   1,554.02/2,142.77 = 1,160.38/x
3. Step 3: Cross multiply
   1,554.02x = 2,142.77 × 1,160.38
4. Step 4: Simplify right side
   1,554.02x = 2,486,427.45
5. Step 5: Solve for x
   x = 2,486,427.45/1,554.02
6. Step 6: Final answer
   x = 1,600.00