Finding the Fourth Proportional to 983,665.23, 1,475,550.56 and 309,799.05

Step by Step Solution

1. Step 1: Write the proportion equation
   983,665.23 : 1,475,550.56 = 309,799.05 : x
2. Step 2: Convert to fraction form
   983,665.23/1,475,550.56 = 309,799.05/x
3. Step 3: Cross multiply
   983,665.23x = 1,475,550.56 × 309,799.05
4. Step 4: Simplify right side
   983,665.23x = 457,124,155,213.53
5. Step 5: Solve for x
   x = 457,124,155,213.53/983,665.23
6. Step 6: Final answer
   x = 464,715.17