Finding the Fourth Proportional to 1,666.05, 2,495.30 and 1,335.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.05 : 2,495.30 = 1,335.84 : x
2. Step 2: Convert to fraction form
   1,666.05/2,495.30 = 1,335.84/x
3. Step 3: Cross multiply
   1,666.05x = 2,495.30 × 1,335.84
4. Step 4: Simplify right side
   1,666.05x = 3,333,314.87
5. Step 5: Solve for x
   x = 3,333,314.87/1,666.05
6. Step 6: Final answer
   x = 2,000.73