Finding the Fourth Proportional to 3,981.77, 5,961.69 and 3,004.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.77 : 5,961.69 = 3,004.91 : x
2. Step 2: Convert to fraction form
   3,981.77/5,961.69 = 3,004.91/x
3. Step 3: Cross multiply
   3,981.77x = 5,961.69 × 3,004.91
4. Step 4: Simplify right side
   3,981.77x = 17,914,312.09
5. Step 5: Solve for x
   x = 17,914,312.09/3,981.77
6. Step 6: Final answer
   x = 4,499.09