Finding the Fourth Proportional to 2,931.93, 4,402.76 and 2,411.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.93 : 4,402.76 = 2,411.91 : x
2. Step 2: Convert to fraction form
   2,931.93/4,402.76 = 2,411.91/x
3. Step 3: Cross multiply
   2,931.93x = 4,402.76 × 2,411.91
4. Step 4: Simplify right side
   2,931.93x = 10,619,048.81
5. Step 5: Solve for x
   x = 10,619,048.81/2,931.93
6. Step 6: Final answer
   x = 3,621.86