Finding the Fourth Proportional to 1,108,109.83, 1,662,300.83 and 378,753.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,109.83 : 1,662,300.83 = 378,753.70 : x
2. Step 2: Convert to fraction form
   1,108,109.83/1,662,300.83 = 378,753.70/x
3. Step 3: Cross multiply
   1,108,109.83x = 1,662,300.83 × 378,753.70
4. Step 4: Simplify right side
   1,108,109.83x = 629,602,585,246.38
5. Step 5: Solve for x
   x = 629,602,585,246.38/1,108,109.83
6. Step 6: Final answer
   x = 568,177.06