Finding the Fourth Proportional to 1,570.47, 2,162.30 and 1,333.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.47 : 2,162.30 = 1,333.92 : x
2. Step 2: Convert to fraction form
   1,570.47/2,162.30 = 1,333.92/x
3. Step 3: Cross multiply
   1,570.47x = 2,162.30 × 1,333.92
4. Step 4: Simplify right side
   1,570.47x = 2,884,335.22
5. Step 5: Solve for x
   x = 2,884,335.22/1,570.47
6. Step 6: Final answer
   x = 1,836.61