Finding the Fourth Proportional to 1,664,915, 2,297,582.72 and 900,968.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,915 : 2,297,582.72 = 900,968.56 : x
2. Step 2: Convert to fraction form
   1,664,915/2,297,582.72 = 900,968.56/x
3. Step 3: Cross multiply
   1,664,915x = 2,297,582.72 × 900,968.56
4. Step 4: Simplify right side
   1,664,915x = 2,070,049,794,719.28
5. Step 5: Solve for x
   x = 2,070,049,794,719.28/1,664,915
6. Step 6: Final answer
   x = 1,243,336.62