Finding the Fourth Proportional to 3,429.01, 4,731.24 and 2,312.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.01 : 4,731.24 = 2,312.02 : x
2. Step 2: Convert to fraction form
   3,429.01/4,731.24 = 2,312.02/x
3. Step 3: Cross multiply
   3,429.01x = 4,731.24 × 2,312.02
4. Step 4: Simplify right side
   3,429.01x = 10,938,721.50
5. Step 5: Solve for x
   x = 10,938,721.50/3,429.01
6. Step 6: Final answer
   x = 3,190.05