Finding the Fourth Proportional to 42,922.11, 59,206.35 and 28,386.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,922.11 : 59,206.35 = 28,386.27 : x
2. Step 2: Convert to fraction form
   42,922.11/59,206.35 = 28,386.27/x
3. Step 3: Cross multiply
   42,922.11x = 59,206.35 × 28,386.27
4. Step 4: Simplify right side
   42,922.11x = 1,680,647,436.81
5. Step 5: Solve for x
   x = 1,680,647,436.81/42,922.11
6. Step 6: Final answer
   x = 39,155.75