Finding the Fourth Proportional to 2,249,356.50, 3,105,533.52 and 1,390,404.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,249,356.50 : 3,105,533.52 = 1,390,404.96 : x
2. Step 2: Convert to fraction form
   2,249,356.50/3,105,533.52 = 1,390,404.96/x
3. Step 3: Cross multiply
   2,249,356.50x = 3,105,533.52 × 1,390,404.96
4. Step 4: Simplify right side
   2,249,356.50x = 4,317,949,209,654.26
5. Step 5: Solve for x
   x = 4,317,949,209,654.26/2,249,356.50
6. Step 6: Final answer
   x = 1,919,637.55