Finding the Fourth Proportional to 101,096.92, 139,541.46 and 58,669

Step by Step Solution

1. Step 1: Write the proportion equation
   101,096.92 : 139,541.46 = 58,669 : x
2. Step 2: Convert to fraction form
   101,096.92/139,541.46 = 58,669/x
3. Step 3: Cross multiply
   101,096.92x = 139,541.46 × 58,669
4. Step 4: Simplify right side
   101,096.92x = 8,186,757,916.74
5. Step 5: Solve for x
   x = 8,186,757,916.74/101,096.92
6. Step 6: Final answer
   x = 80,979.30