Finding the Fourth Proportional to 2,105,536.56, 3,159,508.68 and 891,017.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,536.56 : 3,159,508.68 = 891,017.52 : x
2. Step 2: Convert to fraction form
   2,105,536.56/3,159,508.68 = 891,017.52/x
3. Step 3: Cross multiply
   2,105,536.56x = 3,159,508.68 × 891,017.52
4. Step 4: Simplify right side
   2,105,536.56x = 2,815,177,588,472.07
5. Step 5: Solve for x
   x = 2,815,177,588,472.07/2,105,536.56
6. Step 6: Final answer
   x = 1,337,035.72