Finding the Fourth Proportional to 9,402.56, 14,102.72 and 2,477.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,402.56 : 14,102.72 = 2,477.60 : x
2. Step 2: Convert to fraction form
   9,402.56/14,102.72 = 2,477.60/x
3. Step 3: Cross multiply
   9,402.56x = 14,102.72 × 2,477.60
4. Step 4: Simplify right side
   9,402.56x = 34,940,899.07
5. Step 5: Solve for x
   x = 34,940,899.07/9,402.56
6. Step 6: Final answer
   x = 3,716.10