Finding the Fourth Proportional to 1,811,211.55, 2,499,419.10 and 1,036,816.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811,211.55 : 2,499,419.10 = 1,036,816.72 : x
2. Step 2: Convert to fraction form
   1,811,211.55/2,499,419.10 = 1,036,816.72/x
3. Step 3: Cross multiply
   1,811,211.55x = 2,499,419.10 × 1,036,816.72
4. Step 4: Simplify right side
   1,811,211.55x = 2,591,439,511,405.50
5. Step 5: Solve for x
   x = 2,591,439,511,405.50/1,811,211.55
6. Step 6: Final answer
   x = 1,430,776.83