Finding the Fourth Proportional to 1,028,882.81, 1,543,404.06 and 309,168.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,882.81 : 1,543,404.06 = 309,168.34 : x
2. Step 2: Convert to fraction form
   1,028,882.81/1,543,404.06 = 309,168.34/x
3. Step 3: Cross multiply
   1,028,882.81x = 1,543,404.06 × 309,168.34
4. Step 4: Simplify right side
   1,028,882.81x = 477,171,667,320.95
5. Step 5: Solve for x
   x = 477,171,667,320.95/1,028,882.81
6. Step 6: Final answer
   x = 463,776.50