Finding the Fourth Proportional to 196,300.65, 293,869.71 and 121,179.25

Step by Step Solution

1. Step 1: Write the proportion equation
   196,300.65 : 293,869.71 = 121,179.25 : x
2. Step 2: Convert to fraction form
   196,300.65/293,869.71 = 121,179.25/x
3. Step 3: Cross multiply
   196,300.65x = 293,869.71 × 121,179.25
4. Step 4: Simplify right side
   196,300.65x = 35,610,911,055.52
5. Step 5: Solve for x
   x = 35,610,911,055.52/196,300.65
6. Step 6: Final answer
   x = 181,410.05