Finding the Fourth Proportional to 208,142.69, 311,962.61 and 101,366.64

Step by Step Solution

1. Step 1: Write the proportion equation
   208,142.69 : 311,962.61 = 101,366.64 : x
2. Step 2: Convert to fraction form
   208,142.69/311,962.61 = 101,366.64/x
3. Step 3: Cross multiply
   208,142.69x = 311,962.61 × 101,366.64
4. Step 4: Simplify right side
   208,142.69x = 31,622,601,074.50
5. Step 5: Solve for x
   x = 31,622,601,074.50/208,142.69
6. Step 6: Final answer
   x = 151,927.52