Finding the Fourth Proportional to 51,089.50, 70,507.83 and 28,737.82

Step by Step Solution

1. Step 1: Write the proportion equation
   51,089.50 : 70,507.83 = 28,737.82 : x
2. Step 2: Convert to fraction form
   51,089.50/70,507.83 = 28,737.82/x
3. Step 3: Cross multiply
   51,089.50x = 70,507.83 × 28,737.82
4. Step 4: Simplify right side
   51,089.50x = 2,026,241,327.13
5. Step 5: Solve for x
   x = 2,026,241,327.13/51,089.50
6. Step 6: Final answer
   x = 39,660.62