Finding the Fourth Proportional to 3,730.21, 5,146.76 and 2,402.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730.21 : 5,146.76 = 2,402.31 : x
2. Step 2: Convert to fraction form
   3,730.21/5,146.76 = 2,402.31/x
3. Step 3: Cross multiply
   3,730.21x = 5,146.76 × 2,402.31
4. Step 4: Simplify right side
   3,730.21x = 12,364,125.89
5. Step 5: Solve for x
   x = 12,364,125.89/3,730.21
6. Step 6: Final answer
   x = 3,314.59