Finding the Fourth Proportional to 2,616.51, 3,611.01 and 1,437.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.51 : 3,611.01 = 1,437.81 : x
2. Step 2: Convert to fraction form
   2,616.51/3,611.01 = 1,437.81/x
3. Step 3: Cross multiply
   2,616.51x = 3,611.01 × 1,437.81
4. Step 4: Simplify right side
   2,616.51x = 5,191,946.29
5. Step 5: Solve for x
   x = 5,191,946.29/2,616.51
6. Step 6: Final answer
   x = 1,984.30