Finding the Fourth Proportional to 763,096.01, 1,144,806.01 and 289,770.89

Step by Step Solution

1. Step 1: Write the proportion equation
   763,096.01 : 1,144,806.01 = 289,770.89 : x
2. Step 2: Convert to fraction form
   763,096.01/1,144,806.01 = 289,770.89/x
3. Step 3: Cross multiply
   763,096.01x = 1,144,806.01 × 289,770.89
4. Step 4: Simplify right side
   763,096.01x = 331,731,449,946.59
5. Step 5: Solve for x
   x = 331,731,449,946.59/763,096.01
6. Step 6: Final answer
   x = 434,717.84