Finding the Fourth Proportional to 1,456,342.56, 2,009,820.72 and 811,767.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,342.56 : 2,009,820.72 = 811,767.36 : x
2. Step 2: Convert to fraction form
   1,456,342.56/2,009,820.72 = 811,767.36/x
3. Step 3: Cross multiply
   1,456,342.56x = 2,009,820.72 × 811,767.36
4. Step 4: Simplify right side
   1,456,342.56x = 1,631,506,859,947.70
5. Step 5: Solve for x
   x = 1,631,506,859,947.70/1,456,342.56
6. Step 6: Final answer
   x = 1,120,276.85