Finding the Fourth Proportional to 1,675,945.81, 2,514,168.86 and 777,478.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675,945.81 : 2,514,168.86 = 777,478.38 : x
2. Step 2: Convert to fraction form
   1,675,945.81/2,514,168.86 = 777,478.38/x
3. Step 3: Cross multiply
   1,675,945.81x = 2,514,168.86 × 777,478.38
4. Step 4: Simplify right side
   1,675,945.81x = 1,954,711,919,003.72
5. Step 5: Solve for x
   x = 1,954,711,919,003.72/1,675,945.81
6. Step 6: Final answer
   x = 1,166,333.60