Finding the Fourth Proportional to 1,214,606.72, 1,820,460.55 and 565,309.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,606.72 : 1,820,460.55 = 565,309.19 : x
2. Step 2: Convert to fraction form
   1,214,606.72/1,820,460.55 = 565,309.19/x
3. Step 3: Cross multiply
   1,214,606.72x = 1,820,460.55 × 565,309.19
4. Step 4: Simplify right side
   1,214,606.72x = 1,029,123,078,947.45
5. Step 5: Solve for x
   x = 1,029,123,078,947.45/1,214,606.72
6. Step 6: Final answer
   x = 847,289.14