Finding the Fourth Proportional to 782,498.32, 1,173,923.52 and 422,661.76

Step by Step Solution

1. Step 1: Write the proportion equation
   782,498.32 : 1,173,923.52 = 422,661.76 : x
2. Step 2: Convert to fraction form
   782,498.32/1,173,923.52 = 422,661.76/x
3. Step 3: Cross multiply
   782,498.32x = 1,173,923.52 × 422,661.76
4. Step 4: Simplify right side
   782,498.32x = 496,172,581,068.60
5. Step 5: Solve for x
   x = 496,172,581,068.60/782,498.32
6. Step 6: Final answer
   x = 634,087.73