Finding the Fourth Proportional to 113,134.05, 156,089.86 and 65,369.97

Step by Step Solution

1. Step 1: Write the proportion equation
   113,134.05 : 156,089.86 = 65,369.97 : x
2. Step 2: Convert to fraction form
   113,134.05/156,089.86 = 65,369.97/x
3. Step 3: Cross multiply
   113,134.05x = 156,089.86 × 65,369.97
4. Step 4: Simplify right side
   113,134.05x = 10,203,589,465.50
5. Step 5: Solve for x
   x = 10,203,589,465.50/113,134.05
6. Step 6: Final answer
   x = 90,190.26