Finding the Fourth Proportional to 2,572.37, 3,858.06 and 1,254.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.37 : 3,858.06 = 1,254.80 : x
2. Step 2: Convert to fraction form
   2,572.37/3,858.06 = 1,254.80/x
3. Step 3: Cross multiply
   2,572.37x = 3,858.06 × 1,254.80
4. Step 4: Simplify right side
   2,572.37x = 4,841,093.69
5. Step 5: Solve for x
   x = 4,841,093.69/2,572.37
6. Step 6: Final answer
   x = 1,881.96