Finding the Fourth Proportional to 860,224, 1,187,109.12 and 483,392

Step by Step Solution

1. Step 1: Write the proportion equation
   860,224 : 1,187,109.12 = 483,392 : x
2. Step 2: Convert to fraction form
   860,224/1,187,109.12 = 483,392/x
3. Step 3: Cross multiply
   860,224x = 1,187,109.12 × 483,392
4. Step 4: Simplify right side
   860,224x = 573,839,051,735.04
5. Step 5: Solve for x
   x = 573,839,051,735.04/860,224
6. Step 6: Final answer
   x = 667,080.96