Finding the Fourth Proportional to 891,293.04, 1,229,978.79 and 483,404.58

Step by Step Solution

1. Step 1: Write the proportion equation
   891,293.04 : 1,229,978.79 = 483,404.58 : x
2. Step 2: Convert to fraction form
   891,293.04/1,229,978.79 = 483,404.58/x
3. Step 3: Cross multiply
   891,293.04x = 1,229,978.79 × 483,404.58
4. Step 4: Simplify right side
   891,293.04x = 594,577,380,388.86
5. Step 5: Solve for x
   x = 594,577,380,388.86/891,293.04
6. Step 6: Final answer
   x = 667,095.28