Finding the Fourth Proportional to 591,145.83, 886,843.28 and 191,755.42

Step by Step Solution

1. Step 1: Write the proportion equation
   591,145.83 : 886,843.28 = 191,755.42 : x
2. Step 2: Convert to fraction form
   591,145.83/886,843.28 = 191,755.42/x
3. Step 3: Cross multiply
   591,145.83x = 886,843.28 × 191,755.42
4. Step 4: Simplify right side
   591,145.83x = 170,057,003,892.86
5. Step 5: Solve for x
   x = 170,057,003,892.86/591,145.83
6. Step 6: Final answer
   x = 287,673.52