Finding the Fourth Proportional to 188,499.52, 260,129.52 and 103,622.16

Step by Step Solution

1. Step 1: Write the proportion equation
   188,499.52 : 260,129.52 = 103,622.16 : x
2. Step 2: Convert to fraction form
   188,499.52/260,129.52 = 103,622.16/x
3. Step 3: Cross multiply
   188,499.52x = 260,129.52 × 103,622.16
4. Step 4: Simplify right side
   188,499.52x = 26,955,182,742.16
5. Step 5: Solve for x
   x = 26,955,182,742.16/188,499.52
6. Step 6: Final answer
   x = 142,998.68