Finding the Fourth Proportional to 2,079,168.72, 2,869,501.80 and 1,263,505.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079,168.72 : 2,869,501.80 = 1,263,505.68 : x
2. Step 2: Convert to fraction form
   2,079,168.72/2,869,501.80 = 1,263,505.68/x
3. Step 3: Cross multiply
   2,079,168.72x = 2,869,501.80 × 1,263,505.68
4. Step 4: Simplify right side
   2,079,168.72x = 3,625,631,823,070.22
5. Step 5: Solve for x
   x = 3,625,631,823,070.22/2,079,168.72
6. Step 6: Final answer
   x = 1,743,789.13