Finding the Fourth Proportional to 2,257,056.91, 3,385,546.16 and 909,185.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,056.91 : 3,385,546.16 = 909,185.06 : x
2. Step 2: Convert to fraction form
   2,257,056.91/3,385,546.16 = 909,185.06/x
3. Step 3: Cross multiply
   2,257,056.91x = 3,385,546.16 × 909,185.06
4. Step 4: Simplify right side
   2,257,056.91x = 3,078,088,004,022.55
5. Step 5: Solve for x
   x = 3,078,088,004,022.55/2,257,056.91
6. Step 6: Final answer
   x = 1,363,761.80