Finding the Fourth Proportional to 467,382, 644,987.16 and 266,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   467,382 : 644,987.16 = 266,196.72 : x
2. Step 2: Convert to fraction form
   467,382/644,987.16 = 266,196.72/x
3. Step 3: Cross multiply
   467,382x = 644,987.16 × 266,196.72
4. Step 4: Simplify right side
   467,382x = 171,693,466,434.12
5. Step 5: Solve for x
   x = 171,693,466,434.12/467,382
6. Step 6: Final answer
   x = 367,351.47