Finding the Fourth Proportional to 58,567.30, 80,821.89 and 31,709.59

Step by Step Solution

1. Step 1: Write the proportion equation
   58,567.30 : 80,821.89 = 31,709.59 : x
2. Step 2: Convert to fraction form
   58,567.30/80,821.89 = 31,709.59/x
3. Step 3: Cross multiply
   58,567.30x = 80,821.89 × 31,709.59
4. Step 4: Simplify right side
   58,567.30x = 2,562,828,994.93
5. Step 5: Solve for x
   x = 2,562,828,994.93/58,567.30
6. Step 6: Final answer
   x = 43,758.70