Finding the Fourth Proportional to 1,165,764.60, 1,608,723.72 and 656,456.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165,764.60 : 1,608,723.72 = 656,456.04 : x
2. Step 2: Convert to fraction form
   1,165,764.60/1,608,723.72 = 656,456.04/x
3. Step 3: Cross multiply
   1,165,764.60x = 1,608,723.72 × 656,456.04
4. Step 4: Simplify right side
   1,165,764.60x = 1,056,056,402,685.27
5. Step 5: Solve for x
   x = 1,056,056,402,685.27/1,165,764.60
6. Step 6: Final answer
   x = 905,891.64