Finding the Fourth Proportional to 217,094.56, 299,593.61 and 126,448.18

Step by Step Solution

1. Step 1: Write the proportion equation
   217,094.56 : 299,593.61 = 126,448.18 : x
2. Step 2: Convert to fraction form
   217,094.56/299,593.61 = 126,448.18/x
3. Step 3: Cross multiply
   217,094.56x = 299,593.61 × 126,448.18
4. Step 4: Simplify right side
   217,094.56x = 37,883,066,091.89
5. Step 5: Solve for x
   x = 37,883,066,091.89/217,094.56
6. Step 6: Final answer
   x = 174,500.30