Finding the Fourth Proportional to 1,105,693.07, 1,525,604.06 and 622,081.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,693.07 : 1,525,604.06 = 622,081.76 : x
2. Step 2: Convert to fraction form
   1,105,693.07/1,525,604.06 = 622,081.76/x
3. Step 3: Cross multiply
   1,105,693.07x = 1,525,604.06 × 622,081.76
4. Step 4: Simplify right side
   1,105,693.07x = 949,050,458,707.95
5. Step 5: Solve for x
   x = 949,050,458,707.95/1,105,693.07
6. Step 6: Final answer
   x = 858,330.84