Finding the Fourth Proportional to 1,430.50, 1,974.06 and 841.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430.50 : 1,974.06 = 841.08 : x
2. Step 2: Convert to fraction form
   1,430.50/1,974.06 = 841.08/x
3. Step 3: Cross multiply
   1,430.50x = 1,974.06 × 841.08
4. Step 4: Simplify right side
   1,430.50x = 1,660,342.38
5. Step 5: Solve for x
   x = 1,660,342.38/1,430.50
6. Step 6: Final answer
   x = 1,160.67