Finding the Fourth Proportional to 948,976.02, 1,423,469.49 and 388,010.52

Step by Step Solution

1. Step 1: Write the proportion equation
   948,976.02 : 1,423,469.49 = 388,010.52 : x
2. Step 2: Convert to fraction form
   948,976.02/1,423,469.49 = 388,010.52/x
3. Step 3: Cross multiply
   948,976.02x = 1,423,469.49 × 388,010.52
4. Step 4: Simplify right side
   948,976.02x = 552,321,137,019.04
5. Step 5: Solve for x
   x = 552,321,137,019.04/948,976.02
6. Step 6: Final answer
   x = 582,018.01