Finding the Fourth Proportional to 57,752, 79,697.76 and 31,256

Step by Step Solution

1. Step 1: Write the proportion equation
   57,752 : 79,697.76 = 31,256 : x
2. Step 2: Convert to fraction form
   57,752/79,697.76 = 31,256/x
3. Step 3: Cross multiply
   57,752x = 79,697.76 × 31,256
4. Step 4: Simplify right side
   57,752x = 2,491,033,186.56
5. Step 5: Solve for x
   x = 2,491,033,186.56/57,752
6. Step 6: Final answer
   x = 43,133.28