Finding the Fourth Proportional to 45,993.24, 69,077.40 and 28,584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   45,993.24 : 69,077.40 = 28,584.72 : x
2. Step 2: Convert to fraction form
   45,993.24/69,077.40 = 28,584.72/x
3. Step 3: Cross multiply
   45,993.24x = 69,077.40 × 28,584.72
4. Step 4: Simplify right side
   45,993.24x = 1,974,558,137.33
5. Step 5: Solve for x
   x = 1,974,558,137.33/45,993.24
6. Step 6: Final answer
   x = 42,931.49