Finding the Fourth Proportional to 1,389,234.89, 2,082,654.56 and 536,904.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,234.89 : 2,082,654.56 = 536,904.62 : x
2. Step 2: Convert to fraction form
   1,389,234.89/2,082,654.56 = 536,904.62/x
3. Step 3: Cross multiply
   1,389,234.89x = 2,082,654.56 × 536,904.62
4. Step 4: Simplify right side
   1,389,234.89x = 1,118,186,853,867.01
5. Step 5: Solve for x
   x = 1,118,186,853,867.01/1,389,234.89
6. Step 6: Final answer
   x = 804,894.02