Finding the Fourth Proportional to 298,903.34, 412,465.98 and 168,100.55

Step by Step Solution

1. Step 1: Write the proportion equation
   298,903.34 : 412,465.98 = 168,100.55 : x
2. Step 2: Convert to fraction form
   298,903.34/412,465.98 = 168,100.55/x
3. Step 3: Cross multiply
   298,903.34x = 412,465.98 × 168,100.55
4. Step 4: Simplify right side
   298,903.34x = 69,335,758,094.29
5. Step 5: Solve for x
   x = 69,335,758,094.29/298,903.34
6. Step 6: Final answer
   x = 231,967.16