Finding the Fourth Proportional to 49,443.22, 68,231.72 and 29,310

Step by Step Solution

1. Step 1: Write the proportion equation
   49,443.22 : 68,231.72 = 29,310 : x
2. Step 2: Convert to fraction form
   49,443.22/68,231.72 = 29,310/x
3. Step 3: Cross multiply
   49,443.22x = 68,231.72 × 29,310
4. Step 4: Simplify right side
   49,443.22x = 1,999,871,713.20
5. Step 5: Solve for x
   x = 1,999,871,713.20/49,443.22
6. Step 6: Final answer
   x = 40,447.85