Finding the Fourth Proportional to 325,820.10, 488,584.35 and 126,074.10

Step by Step Solution

1. Step 1: Write the proportion equation
   325,820.10 : 488,584.35 = 126,074.10 : x
2. Step 2: Convert to fraction form
   325,820.10/488,584.35 = 126,074.10/x
3. Step 3: Cross multiply
   325,820.10x = 488,584.35 × 126,074.10
4. Step 4: Simplify right side
   325,820.10x = 61,597,832,200.34
5. Step 5: Solve for x
   x = 61,597,832,200.34/325,820.10
6. Step 6: Final answer
   x = 189,054.73