Finding the Fourth Proportional to 1,105,749.16, 1,525,982.96 and 622,345.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,749.16 : 1,525,982.96 = 622,345.61 : x
2. Step 2: Convert to fraction form
   1,105,749.16/1,525,982.96 = 622,345.61/x
3. Step 3: Cross multiply
   1,105,749.16x = 1,525,982.96 × 622,345.61
4. Step 4: Simplify right side
   1,105,749.16x = 949,688,801,461.63
5. Step 5: Solve for x
   x = 949,688,801,461.63/1,105,749.16
6. Step 6: Final answer
   x = 858,864.59