Finding the Fourth Proportional to 57,741.50, 79,683.51 and 31,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,741.50 : 79,683.51 = 31,245.50 : x
2. Step 2: Convert to fraction form
   57,741.50/79,683.51 = 31,245.50/x
3. Step 3: Cross multiply
   57,741.50x = 79,683.51 × 31,245.50
4. Step 4: Simplify right side
   57,741.50x = 2,489,751,111.71
5. Step 5: Solve for x
   x = 2,489,751,111.71/57,741.50
6. Step 6: Final answer
   x = 43,118.92