Finding the Fourth Proportional to 50,617, 69,855.78 and 28,265.32

Step by Step Solution

1. Step 1: Write the proportion equation
   50,617 : 69,855.78 = 28,265.32 : x
2. Step 2: Convert to fraction form
   50,617/69,855.78 = 28,265.32/x
3. Step 3: Cross multiply
   50,617x = 69,855.78 × 28,265.32
4. Step 4: Simplify right side
   50,617x = 1,974,495,975.55
5. Step 5: Solve for x
   x = 1,974,495,975.55/50,617
6. Step 6: Final answer
   x = 39,008.55