Finding the Fourth Proportional to 230,707.98, 318,364.83 and 130,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   230,707.98 : 318,364.83 = 130,099.50 : x
2. Step 2: Convert to fraction form
   230,707.98/318,364.83 = 130,099.50/x
3. Step 3: Cross multiply
   230,707.98x = 318,364.83 × 130,099.50
4. Step 4: Simplify right side
   230,707.98x = 41,419,105,200.59
5. Step 5: Solve for x
   x = 41,419,105,200.59/230,707.98
6. Step 6: Final answer
   x = 179,530.44