Finding the Fourth Proportional to 224,285.58, 336,344.52 and 91,120.98

Step by Step Solution

1. Step 1: Write the proportion equation
   224,285.58 : 336,344.52 = 91,120.98 : x
2. Step 2: Convert to fraction form
   224,285.58/336,344.52 = 91,120.98/x
3. Step 3: Cross multiply
   224,285.58x = 336,344.52 × 91,120.98
4. Step 4: Simplify right side
   224,285.58x = 30,648,042,280.03
5. Step 5: Solve for x
   x = 30,648,042,280.03/224,285.58
6. Step 6: Final answer
   x = 136,647.40