Finding the Fourth Proportional to 2,456.31, 3,384.95 and 1,570.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.31 : 3,384.95 = 1,570.58 : x
2. Step 2: Convert to fraction form
   2,456.31/3,384.95 = 1,570.58/x
3. Step 3: Cross multiply
   2,456.31x = 3,384.95 × 1,570.58
4. Step 4: Simplify right side
   2,456.31x = 5,316,334.77
5. Step 5: Solve for x
   x = 5,316,334.77/2,456.31
6. Step 6: Final answer
   x = 2,164.36