Finding the Fourth Proportional to 58,501.38, 80,731.81 and 31,643.81

Step by Step Solution

1. Step 1: Write the proportion equation
   58,501.38 : 80,731.81 = 31,643.81 : x
2. Step 2: Convert to fraction form
   58,501.38/80,731.81 = 31,643.81/x
3. Step 3: Cross multiply
   58,501.38x = 80,731.81 × 31,643.81
4. Step 4: Simplify right side
   58,501.38x = 2,554,661,573.83
5. Step 5: Solve for x
   x = 2,554,661,573.83/58,501.38
6. Step 6: Final answer
   x = 43,668.40