Finding the Fourth Proportional to 342,614.89, 513,936.74 and 105,962.05

Step by Step Solution

1. Step 1: Write the proportion equation
   342,614.89 : 513,936.74 = 105,962.05 : x
2. Step 2: Convert to fraction form
   342,614.89/513,936.74 = 105,962.05/x
3. Step 3: Cross multiply
   342,614.89x = 513,936.74 × 105,962.05
4. Step 4: Simplify right side
   342,614.89x = 54,457,790,540.72
5. Step 5: Solve for x
   x = 54,457,790,540.72/342,614.89
6. Step 6: Final answer
   x = 158,947.53