Finding the Fourth Proportional to 2,215,113.06, 3,323,139.78 and 699,234.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,113.06 : 3,323,139.78 = 699,234.10 : x
2. Step 2: Convert to fraction form
   2,215,113.06/3,323,139.78 = 699,234.10/x
3. Step 3: Cross multiply
   2,215,113.06x = 3,323,139.78 × 699,234.10
4. Step 4: Simplify right side
   2,215,113.06x = 2,323,652,653,242.50
5. Step 5: Solve for x
   x = 2,323,652,653,242.50/2,215,113.06
6. Step 6: Final answer
   x = 1,048,999.57