Finding the Fourth Proportional to 2,745,145.12, 3,788,530.32 and 1,521,749.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,745,145.12 : 3,788,530.32 = 1,521,749.92 : x
2. Step 2: Convert to fraction form
   2,745,145.12/3,788,530.32 = 1,521,749.92/x
3. Step 3: Cross multiply
   2,745,145.12x = 3,788,530.32 × 1,521,749.92
4. Step 4: Simplify right side
   2,745,145.12x = 5,765,195,711,377.57
5. Step 5: Solve for x
   x = 5,765,195,711,377.57/2,745,145.12
6. Step 6: Final answer
   x = 2,100,142.42