Finding the Fourth Proportional to 1,003.48, 1,384.82 and 610.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.48 : 1,384.82 = 610.52 : x
2. Step 2: Convert to fraction form
   1,003.48/1,384.82 = 610.52/x
3. Step 3: Cross multiply
   1,003.48x = 1,384.82 × 610.52
4. Step 4: Simplify right side
   1,003.48x = 845,460.31
5. Step 5: Solve for x
   x = 845,460.31/1,003.48
6. Step 6: Final answer
   x = 842.53