Finding the Fourth Proportional to 58,540.42, 80,785.77 and 31,683.13

Step by Step Solution

1. Step 1: Write the proportion equation
   58,540.42 : 80,785.77 = 31,683.13 : x
2. Step 2: Convert to fraction form
   58,540.42/80,785.77 = 31,683.13/x
3. Step 3: Cross multiply
   58,540.42x = 80,785.77 × 31,683.13
4. Step 4: Simplify right side
   58,540.42x = 2,559,546,053.06
5. Step 5: Solve for x
   x = 2,559,546,053.06/58,540.42
6. Step 6: Final answer
   x = 43,722.71