Finding the Fourth Proportional to 297,147.71, 410,061.42 and 161,181.32

Step by Step Solution

1. Step 1: Write the proportion equation
   297,147.71 : 410,061.42 = 161,181.32 : x
2. Step 2: Convert to fraction form
   297,147.71/410,061.42 = 161,181.32/x
3. Step 3: Cross multiply
   297,147.71x = 410,061.42 × 161,181.32
4. Step 4: Simplify right side
   297,147.71x = 66,094,238,100.46
5. Step 5: Solve for x
   x = 66,094,238,100.46/297,147.71
6. Step 6: Final answer
   x = 222,428.90