Finding the Fourth Proportional to 1,039,567.72, 1,434,615.42 and 609,855.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,567.72 : 1,434,615.42 = 609,855.16 : x
2. Step 2: Convert to fraction form
   1,039,567.72/1,434,615.42 = 609,855.16/x
3. Step 3: Cross multiply
   1,039,567.72x = 1,434,615.42 × 609,855.16
4. Step 4: Simplify right side
   1,039,567.72x = 874,907,616,502.57
5. Step 5: Solve for x
   x = 874,907,616,502.57/1,039,567.72
6. Step 6: Final answer
   x = 841,607.14