Finding the Fourth Proportional to 49,299, 68,032.62 and 31,665.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,299 : 68,032.62 = 31,665.72 : x
2. Step 2: Convert to fraction form
   49,299/68,032.62 = 31,665.72/x
3. Step 3: Cross multiply
   49,299x = 68,032.62 × 31,665.72
4. Step 4: Simplify right side
   49,299x = 2,154,301,895.79
5. Step 5: Solve for x
   x = 2,154,301,895.79/49,299
6. Step 6: Final answer
   x = 43,698.69