Finding the Fourth Proportional to 50,807.02, 70,147.91 and 31,715.86

Step by Step Solution

1. Step 1: Write the proportion equation
   50,807.02 : 70,147.91 = 31,715.86 : x
2. Step 2: Convert to fraction form
   50,807.02/70,147.91 = 31,715.86/x
3. Step 3: Cross multiply
   50,807.02x = 70,147.91 × 31,715.86
4. Step 4: Simplify right side
   50,807.02x = 2,224,801,134.27
5. Step 5: Solve for x
   x = 2,224,801,134.27/50,807.02
6. Step 6: Final answer
   x = 43,789.25