Finding the Fourth Proportional to 5,010.63, 7,507.03 and 4,272.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,010.63 : 7,507.03 = 4,272.72 : x
2. Step 2: Convert to fraction form
   5,010.63/7,507.03 = 4,272.72/x
3. Step 3: Cross multiply
   5,010.63x = 7,507.03 × 4,272.72
4. Step 4: Simplify right side
   5,010.63x = 32,075,407.77
5. Step 5: Solve for x
   x = 32,075,407.77/5,010.63
6. Step 6: Final answer
   x = 6,401.48