Finding the Fourth Proportional to 188,642.10, 260,314.50 and 108,051.15

Step by Step Solution

1. Step 1: Write the proportion equation
   188,642.10 : 260,314.50 = 108,051.15 : x
2. Step 2: Convert to fraction form
   188,642.10/260,314.50 = 108,051.15/x
3. Step 3: Cross multiply
   188,642.10x = 260,314.50 × 108,051.15
4. Step 4: Simplify right side
   188,642.10x = 28,127,279,785.10
5. Step 5: Solve for x
   x = 28,127,279,785.10/188,642.10
6. Step 6: Final answer
   x = 149,103.94