Finding the Fourth Proportional to 1,499,396.10, 2,249,210.79 and 434,453.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,396.10 : 2,249,210.79 = 434,453.46 : x
2. Step 2: Convert to fraction form
   1,499,396.10/2,249,210.79 = 434,453.46/x
3. Step 3: Cross multiply
   1,499,396.10x = 2,249,210.79 × 434,453.46
4. Step 4: Simplify right side
   1,499,396.10x = 977,177,409,984.83
5. Step 5: Solve for x
   x = 977,177,409,984.83/1,499,396.10
6. Step 6: Final answer
   x = 651,713.99