Finding the Fourth Proportional to 2,156,821.90, 3,237,306.45 and 1,093,065.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,821.90 : 3,237,306.45 = 1,093,065.10 : x
2. Step 2: Convert to fraction form
   2,156,821.90/3,237,306.45 = 1,093,065.10/x
3. Step 3: Cross multiply
   2,156,821.90x = 3,237,306.45 × 1,093,065.10
4. Step 4: Simplify right side
   2,156,821.90x = 3,538,586,698,499.90
5. Step 5: Solve for x
   x = 3,538,586,698,499.90/2,156,821.90
6. Step 6: Final answer
   x = 1,640,648.54