Finding the Fourth Proportional to 64,145.43, 88,520.81 and 35,851.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,145.43 : 88,520.81 = 35,851.10 : x
2. Step 2: Convert to fraction form
   64,145.43/88,520.81 = 35,851.10/x
3. Step 3: Cross multiply
   64,145.43x = 88,520.81 × 35,851.10
4. Step 4: Simplify right side
   64,145.43x = 3,173,567,789.53
5. Step 5: Solve for x
   x = 3,173,567,789.53/64,145.43
6. Step 6: Final answer
   x = 49,474.57