Finding the Fourth Proportional to 1,105,777.82, 1,525,808.85 and 622,314.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,777.82 : 1,525,808.85 = 622,314.20 : x
2. Step 2: Convert to fraction form
   1,105,777.82/1,525,808.85 = 622,314.20/x
3. Step 3: Cross multiply
   1,105,777.82x = 1,525,808.85 × 622,314.20
4. Step 4: Simplify right side
   1,105,777.82x = 949,532,513,840.67
5. Step 5: Solve for x
   x = 949,532,513,840.67/1,105,777.82
6. Step 6: Final answer
   x = 858,700.99