Finding the Fourth Proportional to 1,837.47, 2,536.01 and 1,206.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837.47 : 2,536.01 = 1,206.89 : x
2. Step 2: Convert to fraction form
   1,837.47/2,536.01 = 1,206.89/x
3. Step 3: Cross multiply
   1,837.47x = 2,536.01 × 1,206.89
4. Step 4: Simplify right side
   1,837.47x = 3,060,685.11
5. Step 5: Solve for x
   x = 3,060,685.11/1,837.47
6. Step 6: Final answer
   x = 1,665.71