Finding the Fourth Proportional to 113,179.39, 156,178.41 and 65,435.81

Step by Step Solution

1. Step 1: Write the proportion equation
   113,179.39 : 156,178.41 = 65,435.81 : x
2. Step 2: Convert to fraction form
   113,179.39/156,178.41 = 65,435.81/x
3. Step 3: Cross multiply
   113,179.39x = 156,178.41 × 65,435.81
4. Step 4: Simplify right side
   113,179.39x = 10,219,660,762.86
5. Step 5: Solve for x
   x = 10,219,660,762.86/113,179.39
6. Step 6: Final answer
   x = 90,296.13