Finding the Fourth Proportional to 64,533.50, 89,053.12 and 35,854.98

Step by Step Solution

1. Step 1: Write the proportion equation
   64,533.50 : 89,053.12 = 35,854.98 : x
2. Step 2: Convert to fraction form
   64,533.50/89,053.12 = 35,854.98/x
3. Step 3: Cross multiply
   64,533.50x = 89,053.12 × 35,854.98
4. Step 4: Simplify right side
   64,533.50x = 3,192,997,836.54
5. Step 5: Solve for x
   x = 3,192,997,836.54/64,533.50
6. Step 6: Final answer
   x = 49,478.14