Finding the Fourth Proportional to 979,100.10, 1,467,639.72 and 410,811.30

Step by Step Solution

1. Step 1: Write the proportion equation
   979,100.10 : 1,467,639.72 = 410,811.30 : x
2. Step 2: Convert to fraction form
   979,100.10/1,467,639.72 = 410,811.30/x
3. Step 3: Cross multiply
   979,100.10x = 1,467,639.72 × 410,811.30
4. Step 4: Simplify right side
   979,100.10x = 602,922,981,304.84
5. Step 5: Solve for x
   x = 602,922,981,304.84/979,100.10
6. Step 6: Final answer
   x = 615,792.99