Finding the Fourth Proportional to 297,200.69, 445,815.61 and 119,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   297,200.69 : 445,815.61 = 119,683.72 : x
2. Step 2: Convert to fraction form
   297,200.69/445,815.61 = 119,683.72/x
3. Step 3: Cross multiply
   297,200.69x = 445,815.61 × 119,683.72
4. Step 4: Simplify right side
   297,200.69x = 53,356,869,225.12
5. Step 5: Solve for x
   x = 53,356,869,225.12/297,200.69
6. Step 6: Final answer
   x = 179,531.45