Finding the Fourth Proportional to 64,536.42, 89,063.25 and 35,856.12

Step by Step Solution

1. Step 1: Write the proportion equation
   64,536.42 : 89,063.25 = 35,856.12 : x
2. Step 2: Convert to fraction form
   64,536.42/89,063.25 = 35,856.12/x
3. Step 3: Cross multiply
   64,536.42x = 89,063.25 × 35,856.12
4. Step 4: Simplify right side
   64,536.42x = 3,193,462,579.59
5. Step 5: Solve for x
   x = 3,193,462,579.59/64,536.42
6. Step 6: Final answer
   x = 49,483.11