Finding the Fourth Proportional to 164,572.29, 227,200.15 and 103,382.31

Step by Step Solution

1. Step 1: Write the proportion equation
   164,572.29 : 227,200.15 = 103,382.31 : x
2. Step 2: Convert to fraction form
   164,572.29/227,200.15 = 103,382.31/x
3. Step 3: Cross multiply
   164,572.29x = 227,200.15 × 103,382.31
4. Step 4: Simplify right side
   164,572.29x = 23,488,476,339.35
5. Step 5: Solve for x
   x = 23,488,476,339.35/164,572.29
6. Step 6: Final answer
   x = 142,724.37