Finding the Fourth Proportional to 5,119.02, 7,062.72 and 3,127.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,119.02 : 7,062.72 = 3,127.50 : x
2. Step 2: Convert to fraction form
   5,119.02/7,062.72 = 3,127.50/x
3. Step 3: Cross multiply
   5,119.02x = 7,062.72 × 3,127.50
4. Step 4: Simplify right side
   5,119.02x = 22,088,656.80
5. Step 5: Solve for x
   x = 22,088,656.80/5,119.02
6. Step 6: Final answer
   x = 4,315.02