Finding the Fourth Proportional to 253,733.69, 350,152.37 and 139,019.62

Step by Step Solution

1. Step 1: Write the proportion equation
   253,733.69 : 350,152.37 = 139,019.62 : x
2. Step 2: Convert to fraction form
   253,733.69/350,152.37 = 139,019.62/x
3. Step 3: Cross multiply
   253,733.69x = 350,152.37 × 139,019.62
4. Step 4: Simplify right side
   253,733.69x = 48,678,048,042.08
5. Step 5: Solve for x
   x = 48,678,048,042.08/253,733.69
6. Step 6: Final answer
   x = 191,847.00