Finding the Fourth Proportional to 983,109.42, 1,475,018.06 and 343,507.25

Step by Step Solution

1. Step 1: Write the proportion equation
   983,109.42 : 1,475,018.06 = 343,507.25 : x
2. Step 2: Convert to fraction form
   983,109.42/1,475,018.06 = 343,507.25/x
3. Step 3: Cross multiply
   983,109.42x = 1,475,018.06 × 343,507.25
4. Step 4: Simplify right side
   983,109.42x = 506,679,388,398.31
5. Step 5: Solve for x
   x = 506,679,388,398.31/983,109.42
6. Step 6: Final answer
   x = 515,384.53