Finding the Fourth Proportional to 1,627.86, 2,442.31 and 1,012.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.86 : 2,442.31 = 1,012.00 : x
2. Step 2: Convert to fraction form
   1,627.86/2,442.31 = 1,012.00/x
3. Step 3: Cross multiply
   1,627.86x = 2,442.31 × 1,012.00
4. Step 4: Simplify right side
   1,627.86x = 2,471,614.49
5. Step 5: Solve for x
   x = 2,471,614.49/1,627.86
6. Step 6: Final answer
   x = 1,518.32