Finding the Fourth Proportional to 1,507,112.32, 2,260,662.72 and 385,179.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,112.32 : 2,260,662.72 = 385,179.52 : x
2. Step 2: Convert to fraction form
   1,507,112.32/2,260,662.72 = 385,179.52/x
3. Step 3: Cross multiply
   1,507,112.32x = 2,260,662.72 × 385,179.52
4. Step 4: Simplify right side
   1,507,112.32x = 870,760,981,371.50
5. Step 5: Solve for x
   x = 870,760,981,371.50/1,507,112.32
6. Step 6: Final answer
   x = 577,767.81