Finding the Fourth Proportional to 4,921.63, 7,381.76 and 1,411.94

Step by Step Solution

1. Step 1: Write the proportion equation
   4,921.63 : 7,381.76 = 1,411.94 : x
2. Step 2: Convert to fraction form
   4,921.63/7,381.76 = 1,411.94/x
3. Step 3: Cross multiply
   4,921.63x = 7,381.76 × 1,411.94
4. Step 4: Simplify right side
   4,921.63x = 10,422,613.61
5. Step 5: Solve for x
   x = 10,422,613.61/4,921.63
6. Step 6: Final answer
   x = 2,117.72