Finding the Fourth Proportional to 147,914.72, 204,220.79 and 87,504.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,914.72 : 204,220.79 = 87,504.72 : x
2. Step 2: Convert to fraction form
   147,914.72/204,220.79 = 87,504.72/x
3. Step 3: Cross multiply
   147,914.72x = 204,220.79 × 87,504.72
4. Step 4: Simplify right side
   147,914.72x = 17,870,281,588.50
5. Step 5: Solve for x
   x = 17,870,281,588.50/147,914.72
6. Step 6: Final answer
   x = 120,814.76