Finding the Fourth Proportional to 32,991.49, 49,488.05 and 28,282.15

Step by Step Solution

1. Step 1: Write the proportion equation
   32,991.49 : 49,488.05 = 28,282.15 : x
2. Step 2: Convert to fraction form
   32,991.49/49,488.05 = 28,282.15/x
3. Step 3: Cross multiply
   32,991.49x = 49,488.05 × 28,282.15
4. Step 4: Simplify right side
   32,991.49x = 1,399,628,311.90
5. Step 5: Solve for x
   x = 1,399,628,311.90/32,991.49
6. Step 6: Final answer
   x = 42,423.92