Finding the Fourth Proportional to 1,105,680.29, 1,525,586.33 and 622,068.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,680.29 : 1,525,586.33 = 622,068.98 : x
2. Step 2: Convert to fraction form
   1,105,680.29/1,525,586.33 = 622,068.98/x
3. Step 3: Cross multiply
   1,105,680.29x = 1,525,586.33 × 622,068.98
4. Step 4: Simplify right side
   1,105,680.29x = 949,019,934,713.71
5. Step 5: Solve for x
   x = 949,019,934,713.71/1,105,680.29
6. Step 6: Final answer
   x = 858,313.15