Finding the Fourth Proportional to 11,914.02, 17,870.70 and 3,149.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,914.02 : 17,870.70 = 3,149.01 : x
2. Step 2: Convert to fraction form
   11,914.02/17,870.70 = 3,149.01/x
3. Step 3: Cross multiply
   11,914.02x = 17,870.70 × 3,149.01
4. Step 4: Simplify right side
   11,914.02x = 56,275,013.01
5. Step 5: Solve for x
   x = 56,275,013.01/11,914.02
6. Step 6: Final answer
   x = 4,723.43