Finding the Fourth Proportional to 113,131.42, 156,086.24 and 65,367.34

Step by Step Solution

1. Step 1: Write the proportion equation
   113,131.42 : 156,086.24 = 65,367.34 : x
2. Step 2: Convert to fraction form
   113,131.42/156,086.24 = 65,367.34/x
3. Step 3: Cross multiply
   113,131.42x = 156,086.24 × 65,367.34
4. Step 4: Simplify right side
   113,131.42x = 10,202,942,482.82
5. Step 5: Solve for x
   x = 10,202,942,482.82/113,131.42
6. Step 6: Final answer
   x = 90,186.64