Finding the Fourth Proportional to 2,290,485.59, 3,434,965.44 and 923,906.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,485.59 : 3,434,965.44 = 923,906.34 : x
2. Step 2: Convert to fraction form
   2,290,485.59/3,434,965.44 = 923,906.34/x
3. Step 3: Cross multiply
   2,290,485.59x = 3,434,965.44 × 923,906.34
4. Step 4: Simplify right side
   2,290,485.59x = 3,173,586,347,696.89
5. Step 5: Solve for x
   x = 3,173,586,347,696.89/2,290,485.59
6. Step 6: Final answer
   x = 1,385,551.77