Finding the Fourth Proportional to 51,141.09, 70,574.72 and 28,484.45

Step by Step Solution

1. Step 1: Write the proportion equation
   51,141.09 : 70,574.72 = 28,484.45 : x
2. Step 2: Convert to fraction form
   51,141.09/70,574.72 = 28,484.45/x
3. Step 3: Cross multiply
   51,141.09x = 70,574.72 × 28,484.45
4. Step 4: Simplify right side
   51,141.09x = 2,010,282,083.10
5. Step 5: Solve for x
   x = 2,010,282,083.10/51,141.09
6. Step 6: Final answer
   x = 39,308.55