Finding the Fourth Proportional to 1,126,298.00, 1,689,445.98 and 452,379.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126,298.00 : 1,689,445.98 = 452,379.42 : x
2. Step 2: Convert to fraction form
   1,126,298.00/1,689,445.98 = 452,379.42/x
3. Step 3: Cross multiply
   1,126,298.00x = 1,689,445.98 × 452,379.42
4. Step 4: Simplify right side
   1,126,298.00x = 764,270,592,553.73
5. Step 5: Solve for x
   x = 764,270,592,553.73/1,126,298.00
6. Step 6: Final answer
   x = 678,568.72