Finding the Fourth Proportional to 23,119.84, 34,679.80 and 7,538.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,119.84 : 34,679.80 = 7,538.72 : x
2. Step 2: Convert to fraction form
   23,119.84/34,679.80 = 7,538.72/x
3. Step 3: Cross multiply
   23,119.84x = 34,679.80 × 7,538.72
4. Step 4: Simplify right side
   23,119.84x = 261,441,301.86
5. Step 5: Solve for x
   x = 261,441,301.86/23,119.84
6. Step 6: Final answer
   x = 11,308.09