Finding the Fourth Proportional to 1,191,426.41, 1,644,185.09 and 647,562.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,426.41 : 1,644,185.09 = 647,562.04 : x
2. Step 2: Convert to fraction form
   1,191,426.41/1,644,185.09 = 647,562.04/x
3. Step 3: Cross multiply
   1,191,426.41x = 1,644,185.09 × 647,562.04
4. Step 4: Simplify right side
   1,191,426.41x = 1,064,711,848,526.43
5. Step 5: Solve for x
   x = 1,064,711,848,526.43/1,191,426.41
6. Step 6: Final answer
   x = 893,644.66