Finding the Fourth Proportional to 50,985.74, 70,357.81 and 28,326.18

Step by Step Solution

1. Step 1: Write the proportion equation
   50,985.74 : 70,357.81 = 28,326.18 : x
2. Step 2: Convert to fraction form
   50,985.74/70,357.81 = 28,326.18/x
3. Step 3: Cross multiply
   50,985.74x = 70,357.81 × 28,326.18
4. Step 4: Simplify right side
   50,985.74x = 1,992,967,990.47
5. Step 5: Solve for x
   x = 1,992,967,990.47/50,985.74
6. Step 6: Final answer
   x = 39,088.73