Finding the Fourth Proportional to 3,666.48, 5,066.43 and 2,670.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.48 : 5,066.43 = 2,670.01 : x
2. Step 2: Convert to fraction form
   3,666.48/5,066.43 = 2,670.01/x
3. Step 3: Cross multiply
   3,666.48x = 5,066.43 × 2,670.01
4. Step 4: Simplify right side
   3,666.48x = 13,527,418.76
5. Step 5: Solve for x
   x = 13,527,418.76/3,666.48
6. Step 6: Final answer
   x = 3,689.48