Finding the Fourth Proportional to 57,064.47, 78,751.31 and 31,570.41

Step by Step Solution

1. Step 1: Write the proportion equation
   57,064.47 : 78,751.31 = 31,570.41 : x
2. Step 2: Convert to fraction form
   57,064.47/78,751.31 = 31,570.41/x
3. Step 3: Cross multiply
   57,064.47x = 78,751.31 × 31,570.41
4. Step 4: Simplify right side
   57,064.47x = 2,486,211,144.74
5. Step 5: Solve for x
   x = 2,486,211,144.74/57,064.47
6. Step 6: Final answer
   x = 43,568.46