Finding the Fourth Proportional to 3,666.58, 5,498.32 and 1,445.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.58 : 5,498.32 = 1,445.07 : x
2. Step 2: Convert to fraction form
   3,666.58/5,498.32 = 1,445.07/x
3. Step 3: Cross multiply
   3,666.58x = 5,498.32 × 1,445.07
4. Step 4: Simplify right side
   3,666.58x = 7,945,457.28
5. Step 5: Solve for x
   x = 7,945,457.28/3,666.58
6. Step 6: Final answer
   x = 2,166.99