Finding the Fourth Proportional to 64,211.72, 88,607.36 and 35,911.94

Step by Step Solution

1. Step 1: Write the proportion equation
   64,211.72 : 88,607.36 = 35,911.94 : x
2. Step 2: Convert to fraction form
   64,211.72/88,607.36 = 35,911.94/x
3. Step 3: Cross multiply
   64,211.72x = 88,607.36 × 35,911.94
4. Step 4: Simplify right side
   64,211.72x = 3,182,061,884.58
5. Step 5: Solve for x
   x = 3,182,061,884.58/64,211.72
6. Step 6: Final answer
   x = 49,555.78