Finding the Fourth Proportional to 43,956.86, 60,669.86 and 28,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,956.86 : 60,669.86 = 28,662.50 : x
2. Step 2: Convert to fraction form
   43,956.86/60,669.86 = 28,662.50/x
3. Step 3: Cross multiply
   43,956.86x = 60,669.86 × 28,662.50
4. Step 4: Simplify right side
   43,956.86x = 1,738,949,415.59
5. Step 5: Solve for x
   x = 1,738,949,415.59/43,956.86
6. Step 6: Final answer
   x = 39,560.37