Finding the Fourth Proportional to 1,445,377.15, 1,994,636.51 and 800,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,377.15 : 1,994,636.51 = 800,807.50 : x
2. Step 2: Convert to fraction form
   1,445,377.15/1,994,636.51 = 800,807.50/x
3. Step 3: Cross multiply
   1,445,377.15x = 1,994,636.51 × 800,807.50
4. Step 4: Simplify right side
   1,445,377.15x = 1,597,319,876,981.83
5. Step 5: Solve for x
   x = 1,597,319,876,981.83/1,445,377.15
6. Step 6: Final answer
   x = 1,105,123.24