Finding the Fourth Proportional to 2,208,631.59, 3,313,021.50 and 611,060.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208,631.59 : 3,313,021.50 = 611,060.89 : x
2. Step 2: Convert to fraction form
   2,208,631.59/3,313,021.50 = 611,060.89/x
3. Step 3: Cross multiply
   2,208,631.59x = 3,313,021.50 × 611,060.89
4. Step 4: Simplify right side
   2,208,631.59x = 2,024,457,863,323.83
5. Step 5: Solve for x
   x = 2,024,457,863,323.83/2,208,631.59
6. Step 6: Final answer
   x = 916,611.84