Finding the Fourth Proportional to 1,019,339.69, 1,529,014.41 and 309,373.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,339.69 : 1,529,014.41 = 309,373.88 : x
2. Step 2: Convert to fraction form
   1,019,339.69/1,529,014.41 = 309,373.88/x
3. Step 3: Cross multiply
   1,019,339.69x = 1,529,014.41 × 309,373.88
4. Step 4: Simplify right side
   1,019,339.69x = 473,037,112,952.54
5. Step 5: Solve for x
   x = 473,037,112,952.54/1,019,339.69
6. Step 6: Final answer
   x = 464,062.29