Finding the Fourth Proportional to 1,022,213.21, 1,409,697.42 and 807,865.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022,213.21 : 1,409,697.42 = 807,865.34 : x
2. Step 2: Convert to fraction form
   1,022,213.21/1,409,697.42 = 807,865.34/x
3. Step 3: Cross multiply
   1,022,213.21x = 1,409,697.42 × 807,865.34
4. Step 4: Simplify right side
   1,022,213.21x = 1,138,845,678,456.94
5. Step 5: Solve for x
   x = 1,138,845,678,456.94/1,022,213.21
6. Step 6: Final answer
   x = 1,114,097.99