Finding the Fourth Proportional to 222,106.08, 306,510.56 and 121,506.24

Step by Step Solution

1. Step 1: Write the proportion equation
   222,106.08 : 306,510.56 = 121,506.24 : x
2. Step 2: Convert to fraction form
   222,106.08/306,510.56 = 121,506.24/x
3. Step 3: Cross multiply
   222,106.08x = 306,510.56 × 121,506.24
4. Step 4: Simplify right side
   222,106.08x = 37,242,945,665.89
5. Step 5: Solve for x
   x = 37,242,945,665.89/222,106.08
6. Step 6: Final answer
   x = 167,680.89