Finding the Fourth Proportional to 1,783.79, 2,669.00 and 1,475.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.79 : 2,669.00 = 1,475.78 : x
2. Step 2: Convert to fraction form
   1,783.79/2,669.00 = 1,475.78/x
3. Step 3: Cross multiply
   1,783.79x = 2,669.00 × 1,475.78
4. Step 4: Simplify right side
   1,783.79x = 3,938,856.11
5. Step 5: Solve for x
   x = 3,938,856.11/1,783.79
6. Step 6: Final answer
   x = 2,208.15