Finding the Fourth Proportional to 50,830.68, 70,122.78 and 32,931.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,830.68 : 70,122.78 = 32,931.72 : x
2. Step 2: Convert to fraction form
   50,830.68/70,122.78 = 32,931.72/x
3. Step 3: Cross multiply
   50,830.68x = 70,122.78 × 32,931.72
4. Step 4: Simplify right side
   50,830.68x = 2,309,263,756.58
5. Step 5: Solve for x
   x = 2,309,263,756.58/50,830.68
6. Step 6: Final answer
   x = 45,430.51