Finding the Fourth Proportional to 1,099,158.96, 1,648,973.56 and 340,983.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099,158.96 : 1,648,973.56 = 340,983.96 : x
2. Step 2: Convert to fraction form
   1,099,158.96/1,648,973.56 = 340,983.96/x
3. Step 3: Cross multiply
   1,099,158.96x = 1,648,973.56 × 340,983.96
4. Step 4: Simplify right side
   1,099,158.96x = 562,273,534,424.10
5. Step 5: Solve for x
   x = 562,273,534,424.10/1,099,158.96
6. Step 6: Final answer
   x = 511,548.88