Finding the Fourth Proportional to 51,151.48, 70,581.69 and 28,487.32

Step by Step Solution

1. Step 1: Write the proportion equation
   51,151.48 : 70,581.69 = 28,487.32 : x
2. Step 2: Convert to fraction form
   51,151.48/70,581.69 = 28,487.32/x
3. Step 3: Cross multiply
   51,151.48x = 70,581.69 × 28,487.32
4. Step 4: Simplify right side
   51,151.48x = 2,010,683,189.17
5. Step 5: Solve for x
   x = 2,010,683,189.17/51,151.48
6. Step 6: Final answer
   x = 39,308.41