Finding the Fourth Proportional to 2,191,898.13, 3,284,960.35 and 928,162.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,898.13 : 3,284,960.35 = 928,162.05 : x
2. Step 2: Convert to fraction form
   2,191,898.13/3,284,960.35 = 928,162.05/x
3. Step 3: Cross multiply
   2,191,898.13x = 3,284,960.35 × 928,162.05
4. Step 4: Simplify right side
   2,191,898.13x = 3,048,975,532,624.72
5. Step 5: Solve for x
   x = 3,048,975,532,624.72/2,191,898.13
6. Step 6: Final answer
   x = 1,391,020.64