Finding the Fourth Proportional to 1,730.98, 2,592.28 and 1,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.98 : 2,592.28 = 1,211.50 : x
2. Step 2: Convert to fraction form
   1,730.98/2,592.28 = 1,211.50/x
3. Step 3: Cross multiply
   1,730.98x = 2,592.28 × 1,211.50
4. Step 4: Simplify right side
   1,730.98x = 3,140,547.22
5. Step 5: Solve for x
   x = 3,140,547.22/1,730.98
6. Step 6: Final answer
   x = 1,814.32