Finding the Fourth Proportional to 588,978.10, 811,819.30 and 416,673.46

Step by Step Solution

1. Step 1: Write the proportion equation
   588,978.10 : 811,819.30 = 416,673.46 : x
2. Step 2: Convert to fraction form
   588,978.10/811,819.30 = 416,673.46/x
3. Step 3: Cross multiply
   588,978.10x = 811,819.30 × 416,673.46
4. Step 4: Simplify right side
   588,978.10x = 338,263,551,525.00
5. Step 5: Solve for x
   x = 338,263,551,525.00/588,978.10
6. Step 6: Final answer
   x = 574,322.80