Finding the Fourth Proportional to 1,776.27, 2,448.32 and 1,186.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776.27 : 2,448.32 = 1,186.59 : x
2. Step 2: Convert to fraction form
   1,776.27/2,448.32 = 1,186.59/x
3. Step 3: Cross multiply
   1,776.27x = 2,448.32 × 1,186.59
4. Step 4: Simplify right side
   1,776.27x = 2,905,146.10
5. Step 5: Solve for x
   x = 2,905,146.10/1,776.27
6. Step 6: Final answer
   x = 1,635.53