Finding the Fourth Proportional to 1,570.52, 2,354.16 and 1,023.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.52 : 2,354.16 = 1,023.77 : x
2. Step 2: Convert to fraction form
   1,570.52/2,354.16 = 1,023.77/x
3. Step 3: Cross multiply
   1,570.52x = 2,354.16 × 1,023.77
4. Step 4: Simplify right side
   1,570.52x = 2,410,118.38
5. Step 5: Solve for x
   x = 2,410,118.38/1,570.52
6. Step 6: Final answer
   x = 1,534.60