Finding the Fourth Proportional to 126,685.08, 174,807.72 and 107,641.98

Step by Step Solution

1. Step 1: Write the proportion equation
   126,685.08 : 174,807.72 = 107,641.98 : x
2. Step 2: Convert to fraction form
   126,685.08/174,807.72 = 107,641.98/x
3. Step 3: Cross multiply
   126,685.08x = 174,807.72 × 107,641.98
4. Step 4: Simplify right side
   126,685.08x = 18,816,649,100.09
5. Step 5: Solve for x
   x = 18,816,649,100.09/126,685.08
6. Step 6: Final answer
   x = 148,530.90