Finding the Fourth Proportional to 50,399.47, 69,554.13 and 28,892.77

Step by Step Solution

1. Step 1: Write the proportion equation
   50,399.47 : 69,554.13 = 28,892.77 : x
2. Step 2: Convert to fraction form
   50,399.47/69,554.13 = 28,892.77/x
3. Step 3: Cross multiply
   50,399.47x = 69,554.13 × 28,892.77
4. Step 4: Simplify right side
   50,399.47x = 2,009,611,480.64
5. Step 5: Solve for x
   x = 2,009,611,480.64/50,399.47
6. Step 6: Final answer
   x = 39,873.66