Finding the Fourth Proportional to 378,085.59, 567,139.32 and 141,383.07

Step by Step Solution

1. Step 1: Write the proportion equation
   378,085.59 : 567,139.32 = 141,383.07 : x
2. Step 2: Convert to fraction form
   378,085.59/567,139.32 = 141,383.07/x
3. Step 3: Cross multiply
   378,085.59x = 567,139.32 × 141,383.07
4. Step 4: Simplify right side
   378,085.59x = 80,183,898,179.31
5. Step 5: Solve for x
   x = 80,183,898,179.31/378,085.59
6. Step 6: Final answer
   x = 212,078.69