Finding the Fourth Proportional to 161,484.56, 223,101.50 and 123,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,484.56 : 223,101.50 = 123,377.50 : x
2. Step 2: Convert to fraction form
   161,484.56/223,101.50 = 123,377.50/x
3. Step 3: Cross multiply
   161,484.56x = 223,101.50 × 123,377.50
4. Step 4: Simplify right side
   161,484.56x = 27,525,705,316.25
5. Step 5: Solve for x
   x = 27,525,705,316.25/161,484.56
6. Step 6: Final answer
   x = 170,454.10