Finding the Fourth Proportional to 1,290,651.58, 1,936,002.89 and 469,961.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,651.58 : 1,936,002.89 = 469,961.61 : x
2. Step 2: Convert to fraction form
   1,290,651.58/1,936,002.89 = 469,961.61/x
3. Step 3: Cross multiply
   1,290,651.58x = 1,936,002.89 × 469,961.61
4. Step 4: Simplify right side
   1,290,651.58x = 909,847,023,119.23
5. Step 5: Solve for x
   x = 909,847,023,119.23/1,290,651.58
6. Step 6: Final answer
   x = 704,951.70