Finding the Fourth Proportional to 60,431.29, 90,648.72 and 28,844.69

Step by Step Solution

1. Step 1: Write the proportion equation
   60,431.29 : 90,648.72 = 28,844.69 : x
2. Step 2: Convert to fraction form
   60,431.29/90,648.72 = 28,844.69/x
3. Step 3: Cross multiply
   60,431.29x = 90,648.72 × 28,844.69
4. Step 4: Simplify right side
   60,431.29x = 2,614,733,774.05
5. Step 5: Solve for x
   x = 2,614,733,774.05/60,431.29
6. Step 6: Final answer
   x = 43,267.88