Finding the Fourth Proportional to 64,598.58, 89,153.43 and 35,921.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,598.58 : 89,153.43 = 35,921.10 : x
2. Step 2: Convert to fraction form
   64,598.58/89,153.43 = 35,921.10/x
3. Step 3: Cross multiply
   64,598.58x = 89,153.43 × 35,921.10
4. Step 4: Simplify right side
   64,598.58x = 3,202,489,274.37
5. Step 5: Solve for x
   x = 3,202,489,274.37/64,598.58
6. Step 6: Final answer
   x = 49,575.23