Finding the Fourth Proportional to 64,953.56, 89,636.19 and 35,145.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,953.56 : 89,636.19 = 35,145.56 : x
2. Step 2: Convert to fraction form
   64,953.56/89,636.19 = 35,145.56/x
3. Step 3: Cross multiply
   64,953.56x = 89,636.19 × 35,145.56
4. Step 4: Simplify right side
   64,953.56x = 3,150,314,186.11
5. Step 5: Solve for x
   x = 3,150,314,186.11/64,953.56
6. Step 6: Final answer
   x = 48,501.02