Finding the Fourth Proportional to 224,235.45, 336,345.89 and 91,076.31

Step by Step Solution

1. Step 1: Write the proportion equation
   224,235.45 : 336,345.89 = 91,076.31 : x
2. Step 2: Convert to fraction form
   224,235.45/336,345.89 = 91,076.31/x
3. Step 3: Cross multiply
   224,235.45x = 336,345.89 × 91,076.31
4. Step 4: Simplify right side
   224,235.45x = 30,633,142,089.48
5. Step 5: Solve for x
   x = 30,633,142,089.48/224,235.45
6. Step 6: Final answer
   x = 136,611.50