Finding the Fourth Proportional to 1,097,096.61, 1,645,802.30 and 339,004.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097,096.61 : 1,645,802.30 = 339,004.24 : x
2. Step 2: Convert to fraction form
   1,097,096.61/1,645,802.30 = 339,004.24/x
3. Step 3: Cross multiply
   1,097,096.61x = 1,645,802.30 × 339,004.24
4. Step 4: Simplify right side
   1,097,096.61x = 557,933,957,901.75
5. Step 5: Solve for x
   x = 557,933,957,901.75/1,097,096.61
6. Step 6: Final answer
   x = 508,554.99