Finding the Fourth Proportional to 159,093.72, 238,749.12 and 84,210.84

Step by Step Solution

1. Step 1: Write the proportion equation
   159,093.72 : 238,749.12 = 84,210.84 : x
2. Step 2: Convert to fraction form
   159,093.72/238,749.12 = 84,210.84/x
3. Step 3: Cross multiply
   159,093.72x = 238,749.12 × 84,210.84
4. Step 4: Simplify right side
   159,093.72x = 20,105,263,944.46
5. Step 5: Solve for x
   x = 20,105,263,944.46/159,093.72
6. Step 6: Final answer
   x = 126,373.71