Finding the Fourth Proportional to 849,667.42, 1,172,403.84 and 487,024.54

Step by Step Solution

1. Step 1: Write the proportion equation
   849,667.42 : 1,172,403.84 = 487,024.54 : x
2. Step 2: Convert to fraction form
   849,667.42/1,172,403.84 = 487,024.54/x
3. Step 3: Cross multiply
   849,667.42x = 1,172,403.84 × 487,024.54
4. Step 4: Simplify right side
   849,667.42x = 570,989,440,870.23
5. Step 5: Solve for x
   x = 570,989,440,870.23/849,667.42
6. Step 6: Final answer
   x = 672,015.22