Finding the Fourth Proportional to 1,562.47, 2,156.27 and 1,031.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.47 : 2,156.27 = 1,031.82 : x
2. Step 2: Convert to fraction form
   1,562.47/2,156.27 = 1,031.82/x
3. Step 3: Cross multiply
   1,562.47x = 2,156.27 × 1,031.82
4. Step 4: Simplify right side
   1,562.47x = 2,224,882.51
5. Step 5: Solve for x
   x = 2,224,882.51/1,562.47
6. Step 6: Final answer
   x = 1,423.95