Finding the Fourth Proportional to 1,630.23, 2,248.52 and 1,070.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.23 : 2,248.52 = 1,070.49 : x
2. Step 2: Convert to fraction form
   1,630.23/2,248.52 = 1,070.49/x
3. Step 3: Cross multiply
   1,630.23x = 2,248.52 × 1,070.49
4. Step 4: Simplify right side
   1,630.23x = 2,407,012.82
5. Step 5: Solve for x
   x = 2,407,012.82/1,630.23
6. Step 6: Final answer
   x = 1,476.49