Finding the Fourth Proportional to 1,780.38, 2,666.67 and 1,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780.38 : 2,666.67 = 1,468.72 : x
2. Step 2: Convert to fraction form
   1,780.38/2,666.67 = 1,468.72/x
3. Step 3: Cross multiply
   1,780.38x = 2,666.67 × 1,468.72
4. Step 4: Simplify right side
   1,780.38x = 3,916,591.56
5. Step 5: Solve for x
   x = 3,916,591.56/1,780.38
6. Step 6: Final answer
   x = 2,199.86