Finding the Fourth Proportional to 2,670.89, 3,686.03 and 1,536.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.89 : 3,686.03 = 1,536.91 : x
2. Step 2: Convert to fraction form
   2,670.89/3,686.03 = 1,536.91/x
3. Step 3: Cross multiply
   2,670.89x = 3,686.03 × 1,536.91
4. Step 4: Simplify right side
   2,670.89x = 5,665,070.25
5. Step 5: Solve for x
   x = 5,665,070.25/2,670.89
6. Step 6: Final answer
   x = 2,121.04