Finding the Fourth Proportional to 1,187.02, 1,638.01 and 655.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187.02 : 1,638.01 = 655.82 : x
2. Step 2: Convert to fraction form
   1,187.02/1,638.01 = 655.82/x
3. Step 3: Cross multiply
   1,187.02x = 1,638.01 × 655.82
4. Step 4: Simplify right side
   1,187.02x = 1,074,239.72
5. Step 5: Solve for x
   x = 1,074,239.72/1,187.02
6. Step 6: Final answer
   x = 904.99