Finding the Fourth Proportional to 64,858.56, 89,504.76 and 35,050.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,858.56 : 89,504.76 = 35,050.56 : x
2. Step 2: Convert to fraction form
   64,858.56/89,504.76 = 35,050.56/x
3. Step 3: Cross multiply
   64,858.56x = 89,504.76 × 35,050.56
4. Step 4: Simplify right side
   64,858.56x = 3,137,191,960.67
5. Step 5: Solve for x
   x = 3,137,191,960.67/64,858.56
6. Step 6: Final answer
   x = 48,369.74