Finding the Fourth Proportional to 1,150,789.48, 1,726,181.82 and 309,341.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,789.48 : 1,726,181.82 = 309,341.32 : x
2. Step 2: Convert to fraction form
   1,150,789.48/1,726,181.82 = 309,341.32/x
3. Step 3: Cross multiply
   1,150,789.48x = 1,726,181.82 × 309,341.32
4. Step 4: Simplify right side
   1,150,789.48x = 533,979,362,758.80
5. Step 5: Solve for x
   x = 533,979,362,758.80/1,150,789.48
6. Step 6: Final answer
   x = 464,011.33