Finding the Fourth Proportional to 11,870.01, 17,806.84 and 4,077

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.01 : 17,806.84 = 4,077 : x
2. Step 2: Convert to fraction form
   11,870.01/17,806.84 = 4,077/x
3. Step 3: Cross multiply
   11,870.01x = 17,806.84 × 4,077
4. Step 4: Simplify right side
   11,870.01x = 72,598,476.49
5. Step 5: Solve for x
   x = 72,598,476.49/11,870.01
6. Step 6: Final answer
   x = 6,116.13