Finding the Fourth Proportional to 1,108,540.82, 1,662,814.72 and 309,817.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,540.82 : 1,662,814.72 = 309,817.10 : x
2. Step 2: Convert to fraction form
   1,108,540.82/1,662,814.72 = 309,817.10/x
3. Step 3: Cross multiply
   1,108,540.82x = 1,662,814.72 × 309,817.10
4. Step 4: Simplify right side
   1,108,540.82x = 515,168,434,387.71
5. Step 5: Solve for x
   x = 515,168,434,387.71/1,108,540.82
6. Step 6: Final answer
   x = 464,726.63