Finding the Fourth Proportional to 1,445,496.50, 1,994,701.61 and 800,878.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,496.50 : 1,994,701.61 = 800,878.25 : x
2. Step 2: Convert to fraction form
   1,445,496.50/1,994,701.61 = 800,878.25/x
3. Step 3: Cross multiply
   1,445,496.50x = 1,994,701.61 × 800,878.25
4. Step 4: Simplify right side
   1,445,496.50x = 1,597,513,141,677.93
5. Step 5: Solve for x
   x = 1,597,513,141,677.93/1,445,496.50
6. Step 6: Final answer
   x = 1,105,165.69