Finding the Fourth Proportional to 162,665.37, 224,482.96 and 91,043.55

Step by Step Solution

1. Step 1: Write the proportion equation
   162,665.37 : 224,482.96 = 91,043.55 : x
2. Step 2: Convert to fraction form
   162,665.37/224,482.96 = 91,043.55/x
3. Step 3: Cross multiply
   162,665.37x = 224,482.96 × 91,043.55
4. Step 4: Simplify right side
   162,665.37x = 20,437,725,706.71
5. Step 5: Solve for x
   x = 20,437,725,706.71/162,665.37
6. Step 6: Final answer
   x = 125,642.76