Finding the Fourth Proportional to 126,479, 174,570.12 and 72,795.02

Step by Step Solution

1. Step 1: Write the proportion equation
   126,479 : 174,570.12 = 72,795.02 : x
2. Step 2: Convert to fraction form
   126,479/174,570.12 = 72,795.02/x
3. Step 3: Cross multiply
   126,479x = 174,570.12 × 72,795.02
4. Step 4: Simplify right side
   126,479x = 12,707,835,376.80
5. Step 5: Solve for x
   x = 12,707,835,376.80/126,479
6. Step 6: Final answer
   x = 100,473.88