Finding the Fourth Proportional to 2,238,006.72, 3,088,362.60 and 1,219,419.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,006.72 : 3,088,362.60 = 1,219,419.12 : x
2. Step 2: Convert to fraction form
   2,238,006.72/3,088,362.60 = 1,219,419.12/x
3. Step 3: Cross multiply
   2,238,006.72x = 3,088,362.60 × 1,219,419.12
4. Step 4: Simplify right side
   2,238,006.72x = 3,766,008,403,932.91
5. Step 5: Solve for x
   x = 3,766,008,403,932.91/2,238,006.72
6. Step 6: Final answer
   x = 1,682,751.16