Finding the Fourth Proportional to 188,506.10, 260,131.82 and 103,622.56

Step by Step Solution

1. Step 1: Write the proportion equation
   188,506.10 : 260,131.82 = 103,622.56 : x
2. Step 2: Convert to fraction form
   188,506.10/260,131.82 = 103,622.56/x
3. Step 3: Cross multiply
   188,506.10x = 260,131.82 × 103,622.56
4. Step 4: Simplify right side
   188,506.10x = 26,955,523,957.42
5. Step 5: Solve for x
   x = 26,955,523,957.42/188,506.10
6. Step 6: Final answer
   x = 142,995.50