Finding the Fourth Proportional to 3,666.46, 5,499.11 and 1,068.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.46 : 5,499.11 = 1,068.79 : x
2. Step 2: Convert to fraction form
   3,666.46/5,499.11 = 1,068.79/x
3. Step 3: Cross multiply
   3,666.46x = 5,499.11 × 1,068.79
4. Step 4: Simplify right side
   3,666.46x = 5,877,388.43
5. Step 5: Solve for x
   x = 5,877,388.43/3,666.46
6. Step 6: Final answer
   x = 1,603.01