Finding the Fourth Proportional to 188,041.50, 259,506.79 and 120,003.93

Step by Step Solution

1. Step 1: Write the proportion equation
   188,041.50 : 259,506.79 = 120,003.93 : x
2. Step 2: Convert to fraction form
   188,041.50/259,506.79 = 120,003.93/x
3. Step 3: Cross multiply
   188,041.50x = 259,506.79 × 120,003.93
4. Step 4: Simplify right side
   188,041.50x = 31,141,834,361.67
5. Step 5: Solve for x
   x = 31,141,834,361.67/188,041.50
6. Step 6: Final answer
   x = 165,611.50