Finding the Fourth Proportional to 2,338.83, 3,507.93 and 877.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.83 : 3,507.93 = 877.77 : x
2. Step 2: Convert to fraction form
   2,338.83/3,507.93 = 877.77/x
3. Step 3: Cross multiply
   2,338.83x = 3,507.93 × 877.77
4. Step 4: Simplify right side
   2,338.83x = 3,079,155.72
5. Step 5: Solve for x
   x = 3,079,155.72/2,338.83
6. Step 6: Final answer
   x = 1,316.54