Finding the Fourth Proportional to 1,435.86, 1,980.99 and 846.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.86 : 1,980.99 = 846.27 : x
2. Step 2: Convert to fraction form
   1,435.86/1,980.99 = 846.27/x
3. Step 3: Cross multiply
   1,435.86x = 1,980.99 × 846.27
4. Step 4: Simplify right side
   1,435.86x = 1,676,452.41
5. Step 5: Solve for x
   x = 1,676,452.41/1,435.86
6. Step 6: Final answer
   x = 1,167.56