Finding the Fourth Proportional to 51,141.94, 70,570.82 and 28,480.05

Step by Step Solution

1. Step 1: Write the proportion equation
   51,141.94 : 70,570.82 = 28,480.05 : x
2. Step 2: Convert to fraction form
   51,141.94/70,570.82 = 28,480.05/x
3. Step 3: Cross multiply
   51,141.94x = 70,570.82 × 28,480.05
4. Step 4: Simplify right side
   51,141.94x = 2,009,860,553.34
5. Step 5: Solve for x
   x = 2,009,860,553.34/51,141.94
6. Step 6: Final answer
   x = 39,299.66