Finding the Fourth Proportional to 315,723.39, 435,706.83 and 188,472.84

Step by Step Solution

1. Step 1: Write the proportion equation
   315,723.39 : 435,706.83 = 188,472.84 : x
2. Step 2: Convert to fraction form
   315,723.39/435,706.83 = 188,472.84/x
3. Step 3: Cross multiply
   315,723.39x = 435,706.83 × 188,472.84
4. Step 4: Simplify right side
   315,723.39x = 82,118,903,657.50
5. Step 5: Solve for x
   x = 82,118,903,657.50/315,723.39
6. Step 6: Final answer
   x = 260,097.62