Finding the Fourth Proportional to 2,286,139.16, 3,429,338.34 and 688,922.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286,139.16 : 3,429,338.34 = 688,922.84 : x
2. Step 2: Convert to fraction form
   2,286,139.16/3,429,338.34 = 688,922.84/x
3. Step 3: Cross multiply
   2,286,139.16x = 3,429,338.34 × 688,922.84
4. Step 4: Simplify right side
   2,286,139.16x = 2,362,549,508,513.69
5. Step 5: Solve for x
   x = 2,362,549,508,513.69/2,286,139.16
6. Step 6: Final answer
   x = 1,033,423.31