Finding the Fourth Proportional to 1,663.32, 2,492.12 and 1,175.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.32 : 2,492.12 = 1,175.42 : x
2. Step 2: Convert to fraction form
   1,663.32/2,492.12 = 1,175.42/x
3. Step 3: Cross multiply
   1,663.32x = 2,492.12 × 1,175.42
4. Step 4: Simplify right side
   1,663.32x = 2,929,287.69
5. Step 5: Solve for x
   x = 2,929,287.69/1,663.32
6. Step 6: Final answer
   x = 1,761.11