Finding the Fourth Proportional to 1,460.78, 2,181.54 and 1,299.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,460.78 : 2,181.54 = 1,299.50 : x
2. Step 2: Convert to fraction form
   1,460.78/2,181.54 = 1,299.50/x
3. Step 3: Cross multiply
   1,460.78x = 2,181.54 × 1,299.50
4. Step 4: Simplify right side
   1,460.78x = 2,834,911.23
5. Step 5: Solve for x
   x = 2,834,911.23/1,460.78
6. Step 6: Final answer
   x = 1,940.68