Finding the Fourth Proportional to 1,144,041.94, 1,578,796.29 and 660,649.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,041.94 : 1,578,796.29 = 660,649.33 : x
2. Step 2: Convert to fraction form
   1,144,041.94/1,578,796.29 = 660,649.33/x
3. Step 3: Cross multiply
   1,144,041.94x = 1,578,796.29 × 660,649.33
4. Step 4: Simplify right side
   1,144,041.94x = 1,043,030,707,248.00
5. Step 5: Solve for x
   x = 1,043,030,707,248.00/1,144,041.94
6. Step 6: Final answer
   x = 911,706.71