Finding the Fourth Proportional to 64,575.40, 89,113.98 and 35,894.17

Step by Step Solution

1. Step 1: Write the proportion equation
   64,575.40 : 89,113.98 = 35,894.17 : x
2. Step 2: Convert to fraction form
   64,575.40/89,113.98 = 35,894.17/x
3. Step 3: Cross multiply
   64,575.40x = 89,113.98 × 35,894.17
4. Step 4: Simplify right side
   64,575.40x = 3,198,672,347.50
5. Step 5: Solve for x
   x = 3,198,672,347.50/64,575.40
6. Step 6: Final answer
   x = 49,533.91