Finding the Fourth Proportional to 4,848.51, 7,272.72 and 2,072.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,848.51 : 7,272.72 = 2,072.82 : x
2. Step 2: Convert to fraction form
   4,848.51/7,272.72 = 2,072.82/x
3. Step 3: Cross multiply
   4,848.51x = 7,272.72 × 2,072.82
4. Step 4: Simplify right side
   4,848.51x = 15,075,039.47
5. Step 5: Solve for x
   x = 15,075,039.47/4,848.51
6. Step 6: Final answer
   x = 3,109.21