Finding the Fourth Proportional to 49,130.79, 67,811.42 and 31,222.29

Step by Step Solution

1. Step 1: Write the proportion equation
   49,130.79 : 67,811.42 = 31,222.29 : x
2. Step 2: Convert to fraction form
   49,130.79/67,811.42 = 31,222.29/x
3. Step 3: Cross multiply
   49,130.79x = 67,811.42 × 31,222.29
4. Step 4: Simplify right side
   49,130.79x = 2,117,227,820.55
5. Step 5: Solve for x
   x = 2,117,227,820.55/49,130.79
6. Step 6: Final answer
   x = 43,093.71