Finding the Fourth Proportional to 1,158,196.70, 1,736,680.65 and 410,267.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158,196.70 : 1,736,680.65 = 410,267.10 : x
2. Step 2: Convert to fraction form
   1,158,196.70/1,736,680.65 = 410,267.10/x
3. Step 3: Cross multiply
   1,158,196.70x = 1,736,680.65 × 410,267.10
4. Step 4: Simplify right side
   1,158,196.70x = 712,502,933,901.62
5. Step 5: Solve for x
   x = 712,502,933,901.62/1,158,196.70
6. Step 6: Final answer
   x = 615,183.01