Finding the Fourth Proportional to 2,253,592.50, 3,109,960.37 and 1,221,099.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253,592.50 : 3,109,960.37 = 1,221,099.47 : x
2. Step 2: Convert to fraction form
   2,253,592.50/3,109,960.37 = 1,221,099.47/x
3. Step 3: Cross multiply
   2,253,592.50x = 3,109,960.37 × 1,221,099.47
4. Step 4: Simplify right side
   2,253,592.50x = 3,797,570,958,693.30
5. Step 5: Solve for x
   x = 3,797,570,958,693.30/2,253,592.50
6. Step 6: Final answer
   x = 1,685,118.74