Finding the Fourth Proportional to 745,582.52, 1,028,933.00 and 423,322.60

Step by Step Solution

1. Step 1: Write the proportion equation
   745,582.52 : 1,028,933.00 = 423,322.60 : x
2. Step 2: Convert to fraction form
   745,582.52/1,028,933.00 = 423,322.60/x
3. Step 3: Cross multiply
   745,582.52x = 1,028,933.00 × 423,322.60
4. Step 4: Simplify right side
   745,582.52x = 435,570,588,096.86
5. Step 5: Solve for x
   x = 435,570,588,096.86/745,582.52
6. Step 6: Final answer
   x = 584,201.72