Finding the Fourth Proportional to 64,212.72, 88,608.74 and 35,912.94

Step by Step Solution

1. Step 1: Write the proportion equation
   64,212.72 : 88,608.74 = 35,912.94 : x
2. Step 2: Convert to fraction form
   64,212.72/88,608.74 = 35,912.94/x
3. Step 3: Cross multiply
   64,212.72x = 88,608.74 × 35,912.94
4. Step 4: Simplify right side
   64,212.72x = 3,182,200,363.10
5. Step 5: Solve for x
   x = 3,182,200,363.10/64,212.72
6. Step 6: Final answer
   x = 49,557.17