Finding the Fourth Proportional to 1,445,379.15, 1,994,639.27 and 800,809.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,379.15 : 1,994,639.27 = 800,809.50 : x
2. Step 2: Convert to fraction form
   1,445,379.15/1,994,639.27 = 800,809.50/x
3. Step 3: Cross multiply
   1,445,379.15x = 1,994,639.27 × 800,809.50
4. Step 4: Simplify right side
   1,445,379.15x = 1,597,326,072,485.02
5. Step 5: Solve for x
   x = 1,597,326,072,485.02/1,445,379.15
6. Step 6: Final answer
   x = 1,105,126.00