Finding the Fourth Proportional to 43,280.37, 64,749.75 and 32,780.64

Step by Step Solution

1. Step 1: Write the proportion equation
   43,280.37 : 64,749.75 = 32,780.64 : x
2. Step 2: Convert to fraction form
   43,280.37/64,749.75 = 32,780.64/x
3. Step 3: Cross multiply
   43,280.37x = 64,749.75 × 32,780.64
4. Step 4: Simplify right side
   43,280.37x = 2,122,538,364.72
5. Step 5: Solve for x
   x = 2,122,538,364.72/43,280.37
6. Step 6: Final answer
   x = 49,041.59