Finding the Fourth Proportional to 62,440.42, 86,168.46 and 34,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,440.42 : 86,168.46 = 34,145.50 : x
2. Step 2: Convert to fraction form
   62,440.42/86,168.46 = 34,145.50/x
3. Step 3: Cross multiply
   62,440.42x = 86,168.46 × 34,145.50
4. Step 4: Simplify right side
   62,440.42x = 2,942,265,150.93
5. Step 5: Solve for x
   x = 2,942,265,150.93/62,440.42
6. Step 6: Final answer
   x = 47,121.16