Finding the Fourth Proportional to 3,885.42, 5,360.17 and 2,626.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,885.42 : 5,360.17 = 2,626.02 : x
2. Step 2: Convert to fraction form
   3,885.42/5,360.17 = 2,626.02/x
3. Step 3: Cross multiply
   3,885.42x = 5,360.17 × 2,626.02
4. Step 4: Simplify right side
   3,885.42x = 14,075,886.82
5. Step 5: Solve for x
   x = 14,075,886.82/3,885.42
6. Step 6: Final answer
   x = 3,622.75