Finding the Fourth Proportional to 161,667.90, 223,101.76 and 93,724.26

Step by Step Solution

1. Step 1: Write the proportion equation
   161,667.90 : 223,101.76 = 93,724.26 : x
2. Step 2: Convert to fraction form
   161,667.90/223,101.76 = 93,724.26/x
3. Step 3: Cross multiply
   161,667.90x = 223,101.76 × 93,724.26
4. Step 4: Simplify right side
   161,667.90x = 20,910,047,952.51
5. Step 5: Solve for x
   x = 20,910,047,952.51/161,667.90
6. Step 6: Final answer
   x = 129,339.52