Finding the Fourth Proportional to 3,131.24, 4,697.47 and 1,051.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.24 : 4,697.47 = 1,051.27 : x
2. Step 2: Convert to fraction form
   3,131.24/4,697.47 = 1,051.27/x
3. Step 3: Cross multiply
   3,131.24x = 4,697.47 × 1,051.27
4. Step 4: Simplify right side
   3,131.24x = 4,938,319.37
5. Step 5: Solve for x
   x = 4,938,319.37/3,131.24
6. Step 6: Final answer
   x = 1,577.11