Finding the Fourth Proportional to 2,411.84, 3,326.40 and 1,572.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.84 : 3,326.40 = 1,572.48 : x
2. Step 2: Convert to fraction form
   2,411.84/3,326.40 = 1,572.48/x
3. Step 3: Cross multiply
   2,411.84x = 3,326.40 × 1,572.48
4. Step 4: Simplify right side
   2,411.84x = 5,230,697.47
5. Step 5: Solve for x
   x = 5,230,697.47/2,411.84
6. Step 6: Final answer
   x = 2,168.76