Finding the Fourth Proportional to 2,338.61, 3,506.30 and 877.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.61 : 3,506.30 = 877.37 : x
2. Step 2: Convert to fraction form
   2,338.61/3,506.30 = 877.37/x
3. Step 3: Cross multiply
   2,338.61x = 3,506.30 × 877.37
4. Step 4: Simplify right side
   2,338.61x = 3,076,326.81
5. Step 5: Solve for x
   x = 3,076,326.81/2,338.61
6. Step 6: Final answer
   x = 1,315.45