Finding the Fourth Proportional to 1,570.16, 2,167.00 and 1,003.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.16 : 2,167.00 = 1,003.52 : x
2. Step 2: Convert to fraction form
   1,570.16/2,167.00 = 1,003.52/x
3. Step 3: Cross multiply
   1,570.16x = 2,167.00 × 1,003.52
4. Step 4: Simplify right side
   1,570.16x = 2,174,622.82
5. Step 5: Solve for x
   x = 2,174,622.82/1,570.16
6. Step 6: Final answer
   x = 1,384.97