Finding the Fourth Proportional to 58,800.80, 81,144.78 and 31,943.09

Step by Step Solution

1. Step 1: Write the proportion equation
   58,800.80 : 81,144.78 = 31,943.09 : x
2. Step 2: Convert to fraction form
   58,800.80/81,144.78 = 31,943.09/x
3. Step 3: Cross multiply
   58,800.80x = 81,144.78 × 31,943.09
4. Step 4: Simplify right side
   58,800.80x = 2,592,015,010.57
5. Step 5: Solve for x
   x = 2,592,015,010.57/58,800.80
6. Step 6: Final answer
   x = 44,081.29