Finding the Fourth Proportional to 1,191,443.50, 1,644,192.06 and 654,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,443.50 : 1,644,192.06 = 654,899.50 : x
2. Step 2: Convert to fraction form
   1,191,443.50/1,644,192.06 = 654,899.50/x
3. Step 3: Cross multiply
   1,191,443.50x = 1,644,192.06 × 654,899.50
4. Step 4: Simplify right side
   1,191,443.50x = 1,076,780,557,997.97
5. Step 5: Solve for x
   x = 1,076,780,557,997.97/1,191,443.50
6. Step 6: Final answer
   x = 903,761.33