Finding the Fourth Proportional to 223,498.43, 308,431.69 and 121,524.59

Step by Step Solution

1. Step 1: Write the proportion equation
   223,498.43 : 308,431.69 = 121,524.59 : x
2. Step 2: Convert to fraction form
   223,498.43/308,431.69 = 121,524.59/x
3. Step 3: Cross multiply
   223,498.43x = 308,431.69 × 121,524.59
4. Step 4: Simplify right side
   223,498.43x = 37,482,034,086.17
5. Step 5: Solve for x
   x = 37,482,034,086.17/223,498.43
6. Step 6: Final answer
   x = 167,706.03