Finding the Fourth Proportional to 161,669.28, 223,068.42 and 98,022.72

Step by Step Solution

1. Step 1: Write the proportion equation
   161,669.28 : 223,068.42 = 98,022.72 : x
2. Step 2: Convert to fraction form
   161,669.28/223,068.42 = 98,022.72/x
3. Step 3: Cross multiply
   161,669.28x = 223,068.42 × 98,022.72
4. Step 4: Simplify right side
   161,669.28x = 21,865,773,274.50
5. Step 5: Solve for x
   x = 21,865,773,274.50/161,669.28
6. Step 6: Final answer
   x = 135,250.02