Finding the Fourth Proportional to 2,189,915.10, 3,286,715.85 and 1,068,942.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,915.10 : 3,286,715.85 = 1,068,942.30 : x
2. Step 2: Convert to fraction form
   2,189,915.10/3,286,715.85 = 1,068,942.30/x
3. Step 3: Cross multiply
   2,189,915.10x = 3,286,715.85 × 1,068,942.30
4. Step 4: Simplify right side
   2,189,915.10x = 3,513,309,600,145.46
5. Step 5: Solve for x
   x = 3,513,309,600,145.46/2,189,915.10
6. Step 6: Final answer
   x = 1,604,313.15