Finding the Fourth Proportional to 1,625,394.69, 2,244,552.43 and 1,216,787.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,625,394.69 : 2,244,552.43 = 1,216,787.15 : x
2. Step 2: Convert to fraction form
   1,625,394.69/2,244,552.43 = 1,216,787.15/x
3. Step 3: Cross multiply
   1,625,394.69x = 2,244,552.43 × 1,216,787.15
4. Step 4: Simplify right side
   1,625,394.69x = 2,731,142,556,894.69
5. Step 5: Solve for x
   x = 2,731,142,556,894.69/1,625,394.69
6. Step 6: Final answer
   x = 1,680,294.99