Finding the Fourth Proportional to 1,443,434.76, 1,991,925.30 and 798,856.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,434.76 : 1,991,925.30 = 798,856.20 : x
2. Step 2: Convert to fraction form
   1,443,434.76/1,991,925.30 = 798,856.20/x
3. Step 3: Cross multiply
   1,443,434.76x = 1,991,925.30 × 798,856.20
4. Step 4: Simplify right side
   1,443,434.76x = 1,591,261,875,841.86
5. Step 5: Solve for x
   x = 1,591,261,875,841.86/1,443,434.76
6. Step 6: Final answer
   x = 1,102,413.44