Finding the Fourth Proportional to 10,278.56, 15,408.59 and 3,700.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,278.56 : 15,408.59 = 3,700.13 : x
2. Step 2: Convert to fraction form
   10,278.56/15,408.59 = 3,700.13/x
3. Step 3: Cross multiply
   10,278.56x = 15,408.59 × 3,700.13
4. Step 4: Simplify right side
   10,278.56x = 57,013,690.57
5. Step 5: Solve for x
   x = 57,013,690.57/10,278.56
6. Step 6: Final answer
   x = 5,546.85