Finding the Fourth Proportional to 988,796.34, 1,483,336.59 and 305,736.42

Step by Step Solution

1. Step 1: Write the proportion equation
   988,796.34 : 1,483,336.59 = 305,736.42 : x
2. Step 2: Convert to fraction form
   988,796.34/1,483,336.59 = 305,736.42/x
3. Step 3: Cross multiply
   988,796.34x = 1,483,336.59 × 305,736.42
4. Step 4: Simplify right side
   988,796.34x = 453,510,018,681.61
5. Step 5: Solve for x
   x = 453,510,018,681.61/988,796.34
6. Step 6: Final answer
   x = 458,648.56