Finding the Fourth Proportional to 11,886.79, 17,820.16 and 7,494.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,886.79 : 17,820.16 = 7,494.56 : x
2. Step 2: Convert to fraction form
   11,886.79/17,820.16 = 7,494.56/x
3. Step 3: Cross multiply
   11,886.79x = 17,820.16 × 7,494.56
4. Step 4: Simplify right side
   11,886.79x = 133,554,258.33
5. Step 5: Solve for x
   x = 133,554,258.33/11,886.79
6. Step 6: Final answer
   x = 11,235.52