Finding the Fourth Proportional to 64,105.31, 88,465.37 and 35,811

Step by Step Solution

1. Step 1: Write the proportion equation
   64,105.31 : 88,465.37 = 35,811 : x
2. Step 2: Convert to fraction form
   64,105.31/88,465.37 = 35,811/x
3. Step 3: Cross multiply
   64,105.31x = 88,465.37 × 35,811
4. Step 4: Simplify right side
   64,105.31x = 3,168,033,186.02
5. Step 5: Solve for x
   x = 3,168,033,186.02/64,105.31
6. Step 6: Final answer
   x = 49,419.20