Finding the Fourth Proportional to 1,620,638.72, 2,236,472.88 and 895,536.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,638.72 : 2,236,472.88 = 895,536.48 : x
2. Step 2: Convert to fraction form
   1,620,638.72/2,236,472.88 = 895,536.48/x
3. Step 3: Cross multiply
   1,620,638.72x = 2,236,472.88 × 895,536.48
4. Step 4: Simplify right side
   1,620,638.72x = 2,002,843,050,570.66
5. Step 5: Solve for x
   x = 2,002,843,050,570.66/1,620,638.72
6. Step 6: Final answer
   x = 1,235,835.62