Finding the Fourth Proportional to 2,388.69, 3,577.86 and 2,125.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.69 : 3,577.86 = 2,125.74 : x
2. Step 2: Convert to fraction form
   2,388.69/3,577.86 = 2,125.74/x
3. Step 3: Cross multiply
   2,388.69x = 3,577.86 × 2,125.74
4. Step 4: Simplify right side
   2,388.69x = 7,605,600.12
5. Step 5: Solve for x
   x = 7,605,600.12/2,388.69
6. Step 6: Final answer
   x = 3,184.00