Finding the Fourth Proportional to 31,065.26, 46,372.67 and 28,752.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,065.26 : 46,372.67 = 28,752.72 : x
2. Step 2: Convert to fraction form
   31,065.26/46,372.67 = 28,752.72/x
3. Step 3: Cross multiply
   31,065.26x = 46,372.67 × 28,752.72
4. Step 4: Simplify right side
   31,065.26x = 1,333,340,396.16
5. Step 5: Solve for x
   x = 1,333,340,396.16/31,065.26
6. Step 6: Final answer
   x = 42,920.63