Finding the Fourth Proportional to 5,127.47, 7,075.91 and 2,769.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,127.47 : 7,075.91 = 2,769.61 : x
2. Step 2: Convert to fraction form
   5,127.47/7,075.91 = 2,769.61/x
3. Step 3: Cross multiply
   5,127.47x = 7,075.91 × 2,769.61
4. Step 4: Simplify right side
   5,127.47x = 19,597,498.02
5. Step 5: Solve for x
   x = 19,597,498.02/5,127.47
6. Step 6: Final answer
   x = 3,822.06