Finding the Fourth Proportional to 2,181.76, 3,010.88 and 1,237.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.76 : 3,010.88 = 1,237.53 : x
2. Step 2: Convert to fraction form
   2,181.76/3,010.88 = 1,237.53/x
3. Step 3: Cross multiply
   2,181.76x = 3,010.88 × 1,237.53
4. Step 4: Simplify right side
   2,181.76x = 3,726,054.33
5. Step 5: Solve for x
   x = 3,726,054.33/2,181.76
6. Step 6: Final answer
   x = 1,707.82