Finding the Fourth Proportional to 49,402.88, 68,186.56 and 31,493.76

Step by Step Solution

1. Step 1: Write the proportion equation
   49,402.88 : 68,186.56 = 31,493.76 : x
2. Step 2: Convert to fraction form
   49,402.88/68,186.56 = 31,493.76/x
3. Step 3: Cross multiply
   49,402.88x = 68,186.56 × 31,493.76
4. Step 4: Simplify right side
   49,402.88x = 2,147,451,155.87
5. Step 5: Solve for x
   x = 2,147,451,155.87/49,402.88
6. Step 6: Final answer
   x = 43,468.14