Finding the Fourth Proportional to 1,559,910.42, 2,339,400.69 and 661,337.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559,910.42 : 2,339,400.69 = 661,337.73 : x
2. Step 2: Convert to fraction form
   1,559,910.42/2,339,400.69 = 661,337.73/x
3. Step 3: Cross multiply
   1,559,910.42x = 2,339,400.69 × 661,337.73
4. Step 4: Simplify right side
   1,559,910.42x = 1,547,133,941,885.03
5. Step 5: Solve for x
   x = 1,547,133,941,885.03/1,559,910.42
6. Step 6: Final answer
   x = 991,809.48