Finding the Fourth Proportional to 425,669.00, 638,603.73 and 126,152.06

Step by Step Solution

1. Step 1: Write the proportion equation
   425,669.00 : 638,603.73 = 126,152.06 : x
2. Step 2: Convert to fraction form
   425,669.00/638,603.73 = 126,152.06/x
3. Step 3: Cross multiply
   425,669.00x = 638,603.73 × 126,152.06
4. Step 4: Simplify right side
   425,669.00x = 80,561,172,870.17
5. Step 5: Solve for x
   x = 80,561,172,870.17/425,669.00
6. Step 6: Final answer
   x = 189,257.79