Finding the Fourth Proportional to 51,282.86, 70,774.20 and 28,622.79

Step by Step Solution

1. Step 1: Write the proportion equation
   51,282.86 : 70,774.20 = 28,622.79 : x
2. Step 2: Convert to fraction form
   51,282.86/70,774.20 = 28,622.79/x
3. Step 3: Cross multiply
   51,282.86x = 70,774.20 × 28,622.79
4. Step 4: Simplify right side
   51,282.86x = 2,025,755,064.02
5. Step 5: Solve for x
   x = 2,025,755,064.02/51,282.86
6. Step 6: Final answer
   x = 39,501.60