Finding the Fourth Proportional to 188,146.32, 259,554.12 and 116,500.20

Step by Step Solution

1. Step 1: Write the proportion equation
   188,146.32 : 259,554.12 = 116,500.20 : x
2. Step 2: Convert to fraction form
   188,146.32/259,554.12 = 116,500.20/x
3. Step 3: Cross multiply
   188,146.32x = 259,554.12 × 116,500.20
4. Step 4: Simplify right side
   188,146.32x = 30,238,106,890.82
5. Step 5: Solve for x
   x = 30,238,106,890.82/188,146.32
6. Step 6: Final answer
   x = 160,715.91