Finding the Fourth Proportional to 235,626.04, 325,164.72 and 128,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   235,626.04 : 325,164.72 = 128,196.10 : x
2. Step 2: Convert to fraction form
   235,626.04/325,164.72 = 128,196.10/x
3. Step 3: Cross multiply
   235,626.04x = 325,164.72 × 128,196.10
4. Step 4: Simplify right side
   235,626.04x = 41,684,848,961.59
5. Step 5: Solve for x
   x = 41,684,848,961.59/235,626.04
6. Step 6: Final answer
   x = 176,911.04