Finding the Fourth Proportional to 1,889.52, 2,830.18 and 1,156.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.52 : 2,830.18 = 1,156.88 : x
2. Step 2: Convert to fraction form
   1,889.52/2,830.18 = 1,156.88/x
3. Step 3: Cross multiply
   1,889.52x = 2,830.18 × 1,156.88
4. Step 4: Simplify right side
   1,889.52x = 3,274,178.64
5. Step 5: Solve for x
   x = 3,274,178.64/1,889.52
6. Step 6: Final answer
   x = 1,732.81