Finding the Fourth Proportional to 2,290,123.12, 3,435,849.46 and 923,191.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,123.12 : 3,435,849.46 = 923,191.28 : x
2. Step 2: Convert to fraction form
   2,290,123.12/3,435,849.46 = 923,191.28/x
3. Step 3: Cross multiply
   2,290,123.12x = 3,435,849.46 × 923,191.28
4. Step 4: Simplify right side
   2,290,123.12x = 3,171,946,260,864.71
5. Step 5: Solve for x
   x = 3,171,946,260,864.71/2,290,123.12
6. Step 6: Final answer
   x = 1,385,054.91