Finding the Fourth Proportional to 1,152,950.18, 1,591,087.02 and 636,738.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,950.18 : 1,591,087.02 = 636,738.92 : x
2. Step 2: Convert to fraction form
   1,152,950.18/1,591,087.02 = 636,738.92/x
3. Step 3: Cross multiply
   1,152,950.18x = 1,591,087.02 × 636,738.92
4. Step 4: Simplify right side
   1,152,950.18x = 1,013,107,030,740.82
5. Step 5: Solve for x
   x = 1,013,107,030,740.82/1,152,950.18
6. Step 6: Final answer
   x = 878,708.42