Finding the Fourth Proportional to 4,942.72, 7,416.27 and 2,602.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,942.72 : 7,416.27 = 2,602.15 : x
2. Step 2: Convert to fraction form
   4,942.72/7,416.27 = 2,602.15/x
3. Step 3: Cross multiply
   4,942.72x = 7,416.27 × 2,602.15
4. Step 4: Simplify right side
   4,942.72x = 19,298,246.98
5. Step 5: Solve for x
   x = 19,298,246.98/4,942.72
6. Step 6: Final answer
   x = 3,904.38