Finding the Fourth Proportional to 3,666.48, 5,498.76 and 1,068.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.48 : 5,498.76 = 1,068.72 : x
2. Step 2: Convert to fraction form
   3,666.48/5,498.76 = 1,068.72/x
3. Step 3: Cross multiply
   3,666.48x = 5,498.76 × 1,068.72
4. Step 4: Simplify right side
   3,666.48x = 5,876,634.79
5. Step 5: Solve for x
   x = 5,876,634.79/3,666.48
6. Step 6: Final answer
   x = 1,602.80