Finding the Fourth Proportional to 139,040.22, 191,773.57 and 91,276.14

Step by Step Solution

1. Step 1: Write the proportion equation
   139,040.22 : 191,773.57 = 91,276.14 : x
2. Step 2: Convert to fraction form
   139,040.22/191,773.57 = 91,276.14/x
3. Step 3: Cross multiply
   139,040.22x = 191,773.57 × 91,276.14
4. Step 4: Simplify right side
   139,040.22x = 17,504,351,223.62
5. Step 5: Solve for x
   x = 17,504,351,223.62/139,040.22
6. Step 6: Final answer
   x = 125,894.16