Finding the Fourth Proportional to 1,348.53, 1,861.83 and 976.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.53 : 1,861.83 = 976.74 : x
2. Step 2: Convert to fraction form
   1,348.53/1,861.83 = 976.74/x
3. Step 3: Cross multiply
   1,348.53x = 1,861.83 × 976.74
4. Step 4: Simplify right side
   1,348.53x = 1,818,523.83
5. Step 5: Solve for x
   x = 1,818,523.83/1,348.53
6. Step 6: Final answer
   x = 1,348.52