Finding the Fourth Proportional to 58,397.55, 80,588.61 and 31,540.05

Step by Step Solution

1. Step 1: Write the proportion equation
   58,397.55 : 80,588.61 = 31,540.05 : x
2. Step 2: Convert to fraction form
   58,397.55/80,588.61 = 31,540.05/x
3. Step 3: Cross multiply
   58,397.55x = 80,588.61 × 31,540.05
4. Step 4: Simplify right side
   58,397.55x = 2,541,768,788.83
5. Step 5: Solve for x
   x = 2,541,768,788.83/58,397.55
6. Step 6: Final answer
   x = 43,525.26