Finding the Fourth Proportional to 472,196.98, 654,969.01 and 455,174.02

Step by Step Solution

1. Step 1: Write the proportion equation
   472,196.98 : 654,969.01 = 455,174.02 : x
2. Step 2: Convert to fraction form
   472,196.98/654,969.01 = 455,174.02/x
3. Step 3: Cross multiply
   472,196.98x = 654,969.01 × 455,174.02
4. Step 4: Simplify right side
   472,196.98x = 298,124,877,257.12
5. Step 5: Solve for x
   x = 298,124,877,257.12/472,196.98
6. Step 6: Final answer
   x = 631,357.02