Finding the Fourth Proportional to 1,436,749.46, 2,154,499.55 and 411,854.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436,749.46 : 2,154,499.55 = 411,854.02 : x
2. Step 2: Convert to fraction form
   1,436,749.46/2,154,499.55 = 411,854.02/x
3. Step 3: Cross multiply
   1,436,749.46x = 2,154,499.55 × 411,854.02
4. Step 4: Simplify right side
   1,436,749.46x = 887,339,300,755.69
5. Step 5: Solve for x
   x = 887,339,300,755.69/1,436,749.46
6. Step 6: Final answer
   x = 617,601.97