Finding the Fourth Proportional to 2,326.32, 3,492.72 and 1,172.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.32 : 3,492.72 = 1,172.88 : x
2. Step 2: Convert to fraction form
   2,326.32/3,492.72 = 1,172.88/x
3. Step 3: Cross multiply
   2,326.32x = 3,492.72 × 1,172.88
4. Step 4: Simplify right side
   2,326.32x = 4,096,541.43
5. Step 5: Solve for x
   x = 4,096,541.43/2,326.32
6. Step 6: Final answer
   x = 1,760.95