Finding the Fourth Proportional to 1,669.67, 2,500.86 and 846.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.67 : 2,500.86 = 846.53 : x
2. Step 2: Convert to fraction form
   1,669.67/2,500.86 = 846.53/x
3. Step 3: Cross multiply
   1,669.67x = 2,500.86 × 846.53
4. Step 4: Simplify right side
   1,669.67x = 2,117,053.02
5. Step 5: Solve for x
   x = 2,117,053.02/1,669.67
6. Step 6: Final answer
   x = 1,267.95