Finding the Fourth Proportional to 116,103.60, 174,233.06 and 42,231.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,103.60 : 174,233.06 = 42,231.60 : x
2. Step 2: Convert to fraction form
   116,103.60/174,233.06 = 42,231.60/x
3. Step 3: Cross multiply
   116,103.60x = 174,233.06 × 42,231.60
4. Step 4: Simplify right side
   116,103.60x = 7,358,140,896.70
5. Step 5: Solve for x
   x = 7,358,140,896.70/116,103.60
6. Step 6: Final answer
   x = 63,375.65