Finding the Fourth Proportional to 89,679.36, 134,538.84 and 27,354.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,679.36 : 134,538.84 = 27,354.72 : x
2. Step 2: Convert to fraction form
   89,679.36/134,538.84 = 27,354.72/x
3. Step 3: Cross multiply
   89,679.36x = 134,538.84 × 27,354.72
4. Step 4: Simplify right side
   89,679.36x = 3,680,272,297.32
5. Step 5: Solve for x
   x = 3,680,272,297.32/89,679.36
6. Step 6: Final answer
   x = 41,038.12