Finding the Fourth Proportional to 50,988.69, 70,363.42 and 28,326.71

Step by Step Solution

1. Step 1: Write the proportion equation
   50,988.69 : 70,363.42 = 28,326.71 : x
2. Step 2: Convert to fraction form
   50,988.69/70,363.42 = 28,326.71/x
3. Step 3: Cross multiply
   50,988.69x = 70,363.42 × 28,326.71
4. Step 4: Simplify right side
   50,988.69x = 1,993,164,298.04
5. Step 5: Solve for x
   x = 1,993,164,298.04/50,988.69
6. Step 6: Final answer
   x = 39,090.32