Finding the Fourth Proportional to 113,178.39, 156,177.04 and 65,434.82

Step by Step Solution

1. Step 1: Write the proportion equation
   113,178.39 : 156,177.04 = 65,434.82 : x
2. Step 2: Convert to fraction form
   113,178.39/156,177.04 = 65,434.82/x
3. Step 3: Cross multiply
   113,178.39x = 156,177.04 × 65,434.82
4. Step 4: Simplify right side
   113,178.39x = 10,219,415,392.47
5. Step 5: Solve for x
   x = 10,219,415,392.47/113,178.39
6. Step 6: Final answer
   x = 90,294.76