Finding the Fourth Proportional to 1,541.52, 2,308.68 and 1,079.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,541.52 : 2,308.68 = 1,079.76 : x
2. Step 2: Convert to fraction form
   1,541.52/2,308.68 = 1,079.76/x
3. Step 3: Cross multiply
   1,541.52x = 2,308.68 × 1,079.76
4. Step 4: Simplify right side
   1,541.52x = 2,492,820.32
5. Step 5: Solve for x
   x = 2,492,820.32/1,541.52
6. Step 6: Final answer
   x = 1,617.12