Finding the Fourth Proportional to 323,147.00, 445,827.43 and 187,106.69

Step by Step Solution

1. Step 1: Write the proportion equation
   323,147.00 : 445,827.43 = 187,106.69 : x
2. Step 2: Convert to fraction form
   323,147.00/445,827.43 = 187,106.69/x
3. Step 3: Cross multiply
   323,147.00x = 445,827.43 × 187,106.69
4. Step 4: Simplify right side
   323,147.00x = 83,417,293,156.17
5. Step 5: Solve for x
   x = 83,417,293,156.17/323,147.00
6. Step 6: Final answer
   x = 258,140.39