Finding the Fourth Proportional to 50,088.70, 69,112.47 and 28,577.89

Step by Step Solution

1. Step 1: Write the proportion equation
   50,088.70 : 69,112.47 = 28,577.89 : x
2. Step 2: Convert to fraction form
   50,088.70/69,112.47 = 28,577.89/x
3. Step 3: Cross multiply
   50,088.70x = 69,112.47 × 28,577.89
4. Step 4: Simplify right side
   50,088.70x = 1,975,088,565.29
5. Step 5: Solve for x
   x = 1,975,088,565.29/50,088.70
6. Step 6: Final answer
   x = 39,431.82