Finding the Fourth Proportional to 58,849.33, 81,212.60 and 31,991.89

Step by Step Solution

1. Step 1: Write the proportion equation
   58,849.33 : 81,212.60 = 31,991.89 : x
2. Step 2: Convert to fraction form
   58,849.33/81,212.60 = 31,991.89/x
3. Step 3: Cross multiply
   58,849.33x = 81,212.60 × 31,991.89
4. Step 4: Simplify right side
   58,849.33x = 2,598,144,565.81
5. Step 5: Solve for x
   x = 2,598,144,565.81/58,849.33
6. Step 6: Final answer
   x = 44,149.09