Finding the Fourth Proportional to 188,036.76, 259,320.78 and 124,437.72

Step by Step Solution

1. Step 1: Write the proportion equation
   188,036.76 : 259,320.78 = 124,437.72 : x
2. Step 2: Convert to fraction form
   188,036.76/259,320.78 = 124,437.72/x
3. Step 3: Cross multiply
   188,036.76x = 259,320.78 × 124,437.72
4. Step 4: Simplify right side
   188,036.76x = 32,269,286,611.82
5. Step 5: Solve for x
   x = 32,269,286,611.82/188,036.76
6. Step 6: Final answer
   x = 171,611.59