Finding the Fourth Proportional to 2,900,796.18, 4,003,223.28 and 1,611,636.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900,796.18 : 4,003,223.28 = 1,611,636.56 : x
2. Step 2: Convert to fraction form
   2,900,796.18/4,003,223.28 = 1,611,636.56/x
3. Step 3: Cross multiply
   2,900,796.18x = 4,003,223.28 × 1,611,636.56
4. Step 4: Simplify right side
   2,900,796.18x = 6,451,741,007,361.58
5. Step 5: Solve for x
   x = 6,451,741,007,361.58/2,900,796.18
6. Step 6: Final answer
   x = 2,224,127.65