Finding the Fourth Proportional to 58,555.17, 80,805.96 and 31,698.18

Step by Step Solution

1. Step 1: Write the proportion equation
   58,555.17 : 80,805.96 = 31,698.18 : x
2. Step 2: Convert to fraction form
   58,555.17/80,805.96 = 31,698.18/x
3. Step 3: Cross multiply
   58,555.17x = 80,805.96 × 31,698.18
4. Step 4: Simplify right side
   58,555.17x = 2,561,401,865.15
5. Step 5: Solve for x
   x = 2,561,401,865.15/58,555.17
6. Step 6: Final answer
   x = 43,743.39