Finding the Fourth Proportional to 51,162.84, 70,607.16 and 28,503.36

Step by Step Solution

1. Step 1: Write the proportion equation
   51,162.84 : 70,607.16 = 28,503.36 : x
2. Step 2: Convert to fraction form
   51,162.84/70,607.16 = 28,503.36/x
3. Step 3: Cross multiply
   51,162.84x = 70,607.16 × 28,503.36
4. Step 4: Simplify right side
   51,162.84x = 2,012,541,300.06
5. Step 5: Solve for x
   x = 2,012,541,300.06/51,162.84
6. Step 6: Final answer
   x = 39,336.00