Finding the Fourth Proportional to 2,105,530.56, 3,159,499.68 and 891,011.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,530.56 : 3,159,499.68 = 891,011.52 : x
2. Step 2: Convert to fraction form
   2,105,530.56/3,159,499.68 = 891,011.52/x
3. Step 3: Cross multiply
   2,105,530.56x = 3,159,499.68 × 891,011.52
4. Step 4: Simplify right side
   2,105,530.56x = 2,815,150,612,316.31
5. Step 5: Solve for x
   x = 2,815,150,612,316.31/2,105,530.56
6. Step 6: Final answer
   x = 1,337,026.72