Finding the Fourth Proportional to 2,300.06, 3,447.05 and 912.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.06 : 3,447.05 = 912.63 : x
2. Step 2: Convert to fraction form
   2,300.06/3,447.05 = 912.63/x
3. Step 3: Cross multiply
   2,300.06x = 3,447.05 × 912.63
4. Step 4: Simplify right side
   2,300.06x = 3,145,889.60
5. Step 5: Solve for x
   x = 3,145,889.60/2,300.06
6. Step 6: Final answer
   x = 1,367.74