Finding the Fourth Proportional to 201,695.72, 278,308.62 and 116,796.38

Step by Step Solution

1. Step 1: Write the proportion equation
   201,695.72 : 278,308.62 = 116,796.38 : x
2. Step 2: Convert to fraction form
   201,695.72/278,308.62 = 116,796.38/x
3. Step 3: Cross multiply
   201,695.72x = 278,308.62 × 116,796.38
4. Step 4: Simplify right side
   201,695.72x = 32,505,437,947.25
5. Step 5: Solve for x
   x = 32,505,437,947.25/201,695.72
6. Step 6: Final answer
   x = 161,160.78