Finding the Fourth Proportional to 51,075.52, 70,462.56 and 31,192

Step by Step Solution

1. Step 1: Write the proportion equation
   51,075.52 : 70,462.56 = 31,192 : x
2. Step 2: Convert to fraction form
   51,075.52/70,462.56 = 31,192/x
3. Step 3: Cross multiply
   51,075.52x = 70,462.56 × 31,192
4. Step 4: Simplify right side
   51,075.52x = 2,197,868,171.52
5. Step 5: Solve for x
   x = 2,197,868,171.52/51,075.52
6. Step 6: Final answer
   x = 43,031.73