Finding the Fourth Proportional to 445,397.52, 614,673.72 and 264,216.72

Step by Step Solution

1. Step 1: Write the proportion equation
   445,397.52 : 614,673.72 = 264,216.72 : x
2. Step 2: Convert to fraction form
   445,397.52/614,673.72 = 264,216.72/x
3. Step 3: Cross multiply
   445,397.52x = 614,673.72 × 264,216.72
4. Step 4: Simplify right side
   445,397.52x = 162,407,074,168.60
5. Step 5: Solve for x
   x = 162,407,074,168.60/445,397.52
6. Step 6: Final answer
   x = 364,633.99