Finding the Fourth Proportional to 89,415.08, 134,123.42 and 30,251.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,415.08 : 134,123.42 = 30,251.08 : x
2. Step 2: Convert to fraction form
   89,415.08/134,123.42 = 30,251.08/x
3. Step 3: Cross multiply
   89,415.08x = 134,123.42 × 30,251.08
4. Step 4: Simplify right side
   89,415.08x = 4,057,378,308.29
5. Step 5: Solve for x
   x = 4,057,378,308.29/89,415.08
6. Step 6: Final answer
   x = 45,376.89