Finding the Fourth Proportional to 5,106.63, 7,047.92 and 3,118.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,106.63 : 7,047.92 = 3,118.34 : x
2. Step 2: Convert to fraction form
   5,106.63/7,047.92 = 3,118.34/x
3. Step 3: Cross multiply
   5,106.63x = 7,047.92 × 3,118.34
4. Step 4: Simplify right side
   5,106.63x = 21,977,810.85
5. Step 5: Solve for x
   x = 21,977,810.85/5,106.63
6. Step 6: Final answer
   x = 4,303.78