Finding the Fourth Proportional to 188,429.38, 260,031.75 and 107,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,429.38 : 260,031.75 = 107,856.50 : x
2. Step 2: Convert to fraction form
   188,429.38/260,031.75 = 107,856.50/x
3. Step 3: Cross multiply
   188,429.38x = 260,031.75 × 107,856.50
4. Step 4: Simplify right side
   188,429.38x = 28,046,114,443.88
5. Step 5: Solve for x
   x = 28,046,114,443.88/188,429.38
6. Step 6: Final answer
   x = 148,841.52