Finding the Fourth Proportional to 51,109.86, 70,531.06 and 28,448.52

Step by Step Solution

1. Step 1: Write the proportion equation
   51,109.86 : 70,531.06 = 28,448.52 : x
2. Step 2: Convert to fraction form
   51,109.86/70,531.06 = 28,448.52/x
3. Step 3: Cross multiply
   51,109.86x = 70,531.06 × 28,448.52
4. Step 4: Simplify right side
   51,109.86x = 2,006,504,271.03
5. Step 5: Solve for x
   x = 2,006,504,271.03/51,109.86
6. Step 6: Final answer
   x = 39,258.65