Finding the Fourth Proportional to 901,150.53, 1,243,591.71 and 487,687.37

Step by Step Solution

1. Step 1: Write the proportion equation
   901,150.53 : 1,243,591.71 = 487,687.37 : x
2. Step 2: Convert to fraction form
   901,150.53/1,243,591.71 = 487,687.37/x
3. Step 3: Cross multiply
   901,150.53x = 1,243,591.71 × 487,687.37
4. Step 4: Simplify right side
   901,150.53x = 606,483,964,185.74
5. Step 5: Solve for x
   x = 606,483,964,185.74/901,150.53
6. Step 6: Final answer
   x = 673,010.72