Finding the Fourth Proportional to 2,881.76, 4,321.72 and 933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,881.76 : 4,321.72 = 933.50 : x
2. Step 2: Convert to fraction form
   2,881.76/4,321.72 = 933.50/x
3. Step 3: Cross multiply
   2,881.76x = 4,321.72 × 933.50
4. Step 4: Simplify right side
   2,881.76x = 4,034,325.62
5. Step 5: Solve for x
   x = 4,034,325.62/2,881.76
6. Step 6: Final answer
   x = 1,399.95