Finding the Fourth Proportional to 116,168.10, 173,863.35 and 102,171.30

Step by Step Solution

1. Step 1: Write the proportion equation
   116,168.10 : 173,863.35 = 102,171.30 : x
2. Step 2: Convert to fraction form
   116,168.10/173,863.35 = 102,171.30/x
3. Step 3: Cross multiply
   116,168.10x = 173,863.35 × 102,171.30
4. Step 4: Simplify right side
   116,168.10x = 17,763,844,491.86
5. Step 5: Solve for x
   x = 17,763,844,491.86/116,168.10
6. Step 6: Final answer
   x = 152,915.00