Finding the Fourth Proportional to 323,146.00, 445,826.05 and 187,105.69

Step by Step Solution

1. Step 1: Write the proportion equation
   323,146.00 : 445,826.05 = 187,105.69 : x
2. Step 2: Convert to fraction form
   323,146.00/445,826.05 = 187,105.69/x
3. Step 3: Cross multiply
   323,146.00x = 445,826.05 × 187,105.69
4. Step 4: Simplify right side
   323,146.00x = 83,416,589,122.90
5. Step 5: Solve for x
   x = 83,416,589,122.90/323,146.00
6. Step 6: Final answer
   x = 258,139.01