Finding the Fourth Proportional to 1,469,776.89, 2,204,664.52 and 458,985.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469,776.89 : 2,204,664.52 = 458,985.47 : x
2. Step 2: Convert to fraction form
   1,469,776.89/2,204,664.52 = 458,985.47/x
3. Step 3: Cross multiply
   1,469,776.89x = 2,204,664.52 × 458,985.47
4. Step 4: Simplify right side
   1,469,776.89x = 1,011,908,976,699.67
5. Step 5: Solve for x
   x = 1,011,908,976,699.67/1,469,776.89
6. Step 6: Final answer
   x = 688,477.95