Finding the Fourth Proportional to 11,880.05, 17,820.63 and 3,114.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,880.05 : 17,820.63 = 3,114.96 : x
2. Step 2: Convert to fraction form
   11,880.05/17,820.63 = 3,114.96/x
3. Step 3: Cross multiply
   11,880.05x = 17,820.63 × 3,114.96
4. Step 4: Simplify right side
   11,880.05x = 55,510,549.62
5. Step 5: Solve for x
   x = 55,510,549.62/11,880.05
6. Step 6: Final answer
   x = 4,672.59