Finding the Fourth Proportional to 1,134,377.91, 1,565,441.67 and 618,131.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134,377.91 : 1,565,441.67 = 618,131.89 : x
2. Step 2: Convert to fraction form
   1,134,377.91/1,565,441.67 = 618,131.89/x
3. Step 3: Cross multiply
   1,134,377.91x = 1,565,441.67 × 618,131.89
4. Step 4: Simplify right side
   1,134,377.91x = 967,649,418,161.86
5. Step 5: Solve for x
   x = 967,649,418,161.86/1,134,377.91
6. Step 6: Final answer
   x = 853,022.09