Finding the Fourth Proportional to 140,730.05, 194,128.71 and 83,313.37

Step by Step Solution

1. Step 1: Write the proportion equation
   140,730.05 : 194,128.71 = 83,313.37 : x
2. Step 2: Convert to fraction form
   140,730.05/194,128.71 = 83,313.37/x
3. Step 3: Cross multiply
   140,730.05x = 194,128.71 × 83,313.37
4. Step 4: Simplify right side
   140,730.05x = 16,173,516,974.09
5. Step 5: Solve for x
   x = 16,173,516,974.09/140,730.05
6. Step 6: Final answer
   x = 114,925.82