Finding the Fourth Proportional to 1,144,395.94, 1,578,773 and 691,424.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,395.94 : 1,578,773 = 691,424.50 : x
2. Step 2: Convert to fraction form
   1,144,395.94/1,578,773 = 691,424.50/x
3. Step 3: Cross multiply
   1,144,395.94x = 1,578,773 × 691,424.50
4. Step 4: Simplify right side
   1,144,395.94x = 1,091,602,332,138.50
5. Step 5: Solve for x
   x = 1,091,602,332,138.50/1,144,395.94
6. Step 6: Final answer
   x = 953,867.71