Finding the Fourth Proportional to 425,559.08, 638,360.52 and 110,018.72

Step by Step Solution

1. Step 1: Write the proportion equation
   425,559.08 : 638,360.52 = 110,018.72 : x
2. Step 2: Convert to fraction form
   425,559.08/638,360.52 = 110,018.72/x
3. Step 3: Cross multiply
   425,559.08x = 638,360.52 × 110,018.72
4. Step 4: Simplify right side
   425,559.08x = 70,231,607,308.93
5. Step 5: Solve for x
   x = 70,231,607,308.93/425,559.08
6. Step 6: Final answer
   x = 165,033.74