Finding the Fourth Proportional to 2,950.10, 4,423.92 and 869.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,950.10 : 4,423.92 = 869.34 : x
2. Step 2: Convert to fraction form
   2,950.10/4,423.92 = 869.34/x
3. Step 3: Cross multiply
   2,950.10x = 4,423.92 × 869.34
4. Step 4: Simplify right side
   2,950.10x = 3,845,890.61
5. Step 5: Solve for x
   x = 3,845,890.61/2,950.10
6. Step 6: Final answer
   x = 1,303.65