Finding the Fourth Proportional to 188,507.34, 260,200.82 and 120,707

Step by Step Solution

1. Step 1: Write the proportion equation
   188,507.34 : 260,200.82 = 120,707 : x
2. Step 2: Convert to fraction form
   188,507.34/260,200.82 = 120,707/x
3. Step 3: Cross multiply
   188,507.34x = 260,200.82 × 120,707
4. Step 4: Simplify right side
   188,507.34x = 31,408,060,379.74
5. Step 5: Solve for x
   x = 31,408,060,379.74/188,507.34
6. Step 6: Final answer
   x = 166,614.52