Finding the Fourth Proportional to 89,667.98, 134,326.99 and 69,853.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,667.98 : 134,326.99 = 69,853.76 : x
2. Step 2: Convert to fraction form
   89,667.98/134,326.99 = 69,853.76/x
3. Step 3: Cross multiply
   89,667.98x = 134,326.99 × 69,853.76
4. Step 4: Simplify right side
   89,667.98x = 9,383,245,240.39
5. Step 5: Solve for x
   x = 9,383,245,240.39/89,667.98
6. Step 6: Final answer
   x = 104,644.33