Finding the Fourth Proportional to 2,796.30, 4,195.08 and 947.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.30 : 4,195.08 = 947.30 : x
2. Step 2: Convert to fraction form
   2,796.30/4,195.08 = 947.30/x
3. Step 3: Cross multiply
   2,796.30x = 4,195.08 × 947.30
4. Step 4: Simplify right side
   2,796.30x = 3,973,978.31
5. Step 5: Solve for x
   x = 3,973,978.31/2,796.30
6. Step 6: Final answer
   x = 1,421.16