Finding the Fourth Proportional to 1,269,384.56, 1,903,143.72 and 605,003.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269,384.56 : 1,903,143.72 = 605,003.12 : x
2. Step 2: Convert to fraction form
   1,269,384.56/1,903,143.72 = 605,003.12/x
3. Step 3: Cross multiply
   1,269,384.56x = 1,903,143.72 × 605,003.12
4. Step 4: Simplify right side
   1,269,384.56x = 1,151,407,888,408.41
5. Step 5: Solve for x
   x = 1,151,407,888,408.41/1,269,384.56
6. Step 6: Final answer
   x = 907,059.94