Finding the Fourth Proportional to 224,241.77, 336,502.72 and 91,121.96

Step by Step Solution

1. Step 1: Write the proportion equation
   224,241.77 : 336,502.72 = 91,121.96 : x
2. Step 2: Convert to fraction form
   224,241.77/336,502.72 = 91,121.96/x
3. Step 3: Cross multiply
   224,241.77x = 336,502.72 × 91,121.96
4. Step 4: Simplify right side
   224,241.77x = 30,662,787,962.47
5. Step 5: Solve for x
   x = 30,662,787,962.47/224,241.77
6. Step 6: Final answer
   x = 136,739.86