Finding the Fourth Proportional to 58,771, 81,138.59 and 35,809.49

Step by Step Solution

1. Step 1: Write the proportion equation
   58,771 : 81,138.59 = 35,809.49 : x
2. Step 2: Convert to fraction form
   58,771/81,138.59 = 35,809.49/x
3. Step 3: Cross multiply
   58,771x = 81,138.59 × 35,809.49
4. Step 4: Simplify right side
   58,771x = 2,905,531,527.22
5. Step 5: Solve for x
   x = 2,905,531,527.22/58,771
6. Step 6: Final answer
   x = 49,438.18