Finding the Fourth Proportional to 1,530,648.78, 2,112,242.32 and 842,256.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530,648.78 : 2,112,242.32 = 842,256.27 : x
2. Step 2: Convert to fraction form
   1,530,648.78/2,112,242.32 = 842,256.27/x
3. Step 3: Cross multiply
   1,530,648.78x = 2,112,242.32 × 842,256.27
4. Step 4: Simplify right side
   1,530,648.78x = 1,779,049,337,779.35
5. Step 5: Solve for x
   x = 1,779,049,337,779.35/1,530,648.78
6. Step 6: Final answer
   x = 1,162,284.49