Finding the Fourth Proportional to 1,453.06, 2,180.52 and 837.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.06 : 2,180.52 = 837.98 : x
2. Step 2: Convert to fraction form
   1,453.06/2,180.52 = 837.98/x
3. Step 3: Cross multiply
   1,453.06x = 2,180.52 × 837.98
4. Step 4: Simplify right side
   1,453.06x = 1,827,232.15
5. Step 5: Solve for x
   x = 1,827,232.15/1,453.06
6. Step 6: Final answer
   x = 1,257.51