Finding the Fourth Proportional to 58,615.39, 80,888.60 and 31,756.30

Step by Step Solution

1. Step 1: Write the proportion equation
   58,615.39 : 80,888.60 = 31,756.30 : x
2. Step 2: Convert to fraction form
   58,615.39/80,888.60 = 31,756.30/x
3. Step 3: Cross multiply
   58,615.39x = 80,888.60 × 31,756.30
4. Step 4: Simplify right side
   58,615.39x = 2,568,722,084.96
5. Step 5: Solve for x
   x = 2,568,722,084.96/58,615.39
6. Step 6: Final answer
   x = 43,823.34