Finding the Fourth Proportional to 2,191,579.27, 3,024,370.57 and 1,224,709.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,579.27 : 3,024,370.57 = 1,224,709.31 : x
2. Step 2: Convert to fraction form
   2,191,579.27/3,024,370.57 = 1,224,709.31/x
3. Step 3: Cross multiply
   2,191,579.27x = 3,024,370.57 × 1,224,709.31
4. Step 4: Simplify right side
   2,191,579.27x = 3,703,974,793,969.01
5. Step 5: Solve for x
   x = 3,703,974,793,969.01/2,191,579.27
6. Step 6: Final answer
   x = 1,690,093.92