Finding the Fourth Proportional to 49,328.76, 68,073.82 and 31,419.93

Step by Step Solution

1. Step 1: Write the proportion equation
   49,328.76 : 68,073.82 = 31,419.93 : x
2. Step 2: Convert to fraction form
   49,328.76/68,073.82 = 31,419.93/x
3. Step 3: Cross multiply
   49,328.76x = 68,073.82 × 31,419.93
4. Step 4: Simplify right side
   49,328.76x = 2,138,874,659.23
5. Step 5: Solve for x
   x = 2,138,874,659.23/49,328.76
6. Step 6: Final answer
   x = 43,359.59