Finding the Fourth Proportional to 983,667.63, 1,475,553.78 and 309,801.63

Step by Step Solution

1. Step 1: Write the proportion equation
   983,667.63 : 1,475,553.78 = 309,801.63 : x
2. Step 2: Convert to fraction form
   983,667.63/1,475,553.78 = 309,801.63/x
3. Step 3: Cross multiply
   983,667.63x = 1,475,553.78 × 309,801.63
4. Step 4: Simplify right side
   983,667.63x = 457,128,966,196.66
5. Step 5: Solve for x
   x = 457,128,966,196.66/983,667.63
6. Step 6: Final answer
   x = 464,718.93