Finding the Fourth Proportional to 189,016.58, 260,839.83 and 102,976.59

Step by Step Solution

1. Step 1: Write the proportion equation
   189,016.58 : 260,839.83 = 102,976.59 : x
2. Step 2: Convert to fraction form
   189,016.58/260,839.83 = 102,976.59/x
3. Step 3: Cross multiply
   189,016.58x = 260,839.83 × 102,976.59
4. Step 4: Simplify right side
   189,016.58x = 26,860,396,831.25
5. Step 5: Solve for x
   x = 26,860,396,831.25/189,016.58
6. Step 6: Final answer
   x = 142,106.03