Finding the Fourth Proportional to 1,422,167.22, 1,962,577.35 and 777,580.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,167.22 : 1,962,577.35 = 777,580.56 : x
2. Step 2: Convert to fraction form
   1,422,167.22/1,962,577.35 = 777,580.56/x
3. Step 3: Cross multiply
   1,422,167.22x = 1,962,577.35 × 777,580.56
4. Step 4: Simplify right side
   1,422,167.22x = 1,526,061,994,856.32
5. Step 5: Solve for x
   x = 1,526,061,994,856.32/1,422,167.22
6. Step 6: Final answer
   x = 1,073,053.84