Finding the Fourth Proportional to 191,261.34, 263,792.38 and 123,289.38

Step by Step Solution

1. Step 1: Write the proportion equation
   191,261.34 : 263,792.38 = 123,289.38 : x
2. Step 2: Convert to fraction form
   191,261.34/263,792.38 = 123,289.38/x
3. Step 3: Cross multiply
   191,261.34x = 263,792.38 × 123,289.38
4. Step 4: Simplify right side
   191,261.34x = 32,522,798,978.92
5. Step 5: Solve for x
   x = 32,522,798,978.92/191,261.34
6. Step 6: Final answer
   x = 170,043.77