Finding the Fourth Proportional to 325,810.10, 488,569.35 and 126,064.10

Step by Step Solution

1. Step 1: Write the proportion equation
   325,810.10 : 488,569.35 = 126,064.10 : x
2. Step 2: Convert to fraction form
   325,810.10/488,569.35 = 126,064.10/x
3. Step 3: Cross multiply
   325,810.10x = 488,569.35 × 126,064.10
4. Step 4: Simplify right side
   325,810.10x = 61,591,055,395.34
5. Step 5: Solve for x
   x = 61,591,055,395.34/325,810.10
6. Step 6: Final answer
   x = 189,039.74