Finding the Fourth Proportional to 1,022,139.81, 1,410,533.55 and 563,296.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022,139.81 : 1,410,533.55 = 563,296.79 : x
2. Step 2: Convert to fraction form
   1,022,139.81/1,410,533.55 = 563,296.79/x
3. Step 3: Cross multiply
   1,022,139.81x = 1,410,533.55 × 563,296.79
4. Step 4: Simplify right side
   1,022,139.81x = 794,549,020,902.31
5. Step 5: Solve for x
   x = 794,549,020,902.31/1,022,139.81
6. Step 6: Final answer
   x = 777,338.89