Finding the Fourth Proportional to 1,485,158.79, 2,227,381.38 and 685,672.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485,158.79 : 2,227,381.38 = 685,672.59 : x
2. Step 2: Convert to fraction form
   1,485,158.79/2,227,381.38 = 685,672.59/x
3. Step 3: Cross multiply
   1,485,158.79x = 2,227,381.38 × 685,672.59
4. Step 4: Simplify right side
   1,485,158.79x = 1,527,254,359,742.37
5. Step 5: Solve for x
   x = 1,527,254,359,742.37/1,485,158.79
6. Step 6: Final answer
   x = 1,028,344.15