Finding the Fourth Proportional to 3,429,956.79, 5,145,424.16 and 1,123,956.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429,956.79 : 5,145,424.16 = 1,123,956.65 : x
2. Step 2: Convert to fraction form
   3,429,956.79/5,145,424.16 = 1,123,956.65/x
3. Step 3: Cross multiply
   3,429,956.79x = 5,145,424.16 × 1,123,956.65
4. Step 4: Simplify right side
   3,429,956.79x = 5,783,233,670,355.76
5. Step 5: Solve for x
   x = 5,783,233,670,355.76/3,429,956.79
6. Step 6: Final answer
   x = 1,686,095.20