Finding the Fourth Proportional to 1,039,566.72, 1,434,614.04 and 609,854.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,566.72 : 1,434,614.04 = 609,854.16 : x
2. Step 2: Convert to fraction form
   1,039,566.72/1,434,614.04 = 609,854.16/x
3. Step 3: Cross multiply
   1,039,566.72x = 1,434,614.04 × 609,854.16
4. Step 4: Simplify right side
   1,039,566.72x = 874,905,340,288.41
5. Step 5: Solve for x
   x = 874,905,340,288.41/1,039,566.72
6. Step 6: Final answer
   x = 841,605.76