Finding the Fourth Proportional to 161,733, 223,195.86 and 90,116.04

Step by Step Solution

1. Step 1: Write the proportion equation
   161,733 : 223,195.86 = 90,116.04 : x
2. Step 2: Convert to fraction form
   161,733/223,195.86 = 90,116.04/x
3. Step 3: Cross multiply
   161,733x = 223,195.86 × 90,116.04
4. Step 4: Simplify right side
   161,733x = 20,113,527,047.59
5. Step 5: Solve for x
   x = 20,113,527,047.59/161,733
6. Step 6: Final answer
   x = 124,362.54