Finding the Fourth Proportional to 1,898,656.96, 2,620,149.78 and 1,039,271.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898,656.96 : 2,620,149.78 = 1,039,271.67 : x
2. Step 2: Convert to fraction form
   1,898,656.96/2,620,149.78 = 1,039,271.67/x
3. Step 3: Cross multiply
   1,898,656.96x = 2,620,149.78 × 1,039,271.67
4. Step 4: Simplify right side
   1,898,656.96x = 2,723,047,437,510.73
5. Step 5: Solve for x
   x = 2,723,047,437,510.73/1,898,656.96
6. Step 6: Final answer
   x = 1,434,196.64