Finding the Fourth Proportional to 2,191,379.92, 3,024,404.70 and 1,261,068.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,379.92 : 3,024,404.70 = 1,261,068.60 : x
2. Step 2: Convert to fraction form
   2,191,379.92/3,024,404.70 = 1,261,068.60/x
3. Step 3: Cross multiply
   2,191,379.92x = 3,024,404.70 × 1,261,068.60
4. Step 4: Simplify right side
   2,191,379.92x = 3,813,981,800,862.42
5. Step 5: Solve for x
   x = 3,813,981,800,862.42/2,191,379.92
6. Step 6: Final answer
   x = 1,740,447.54