Finding the Fourth Proportional to 1,071,645.62, 1,607,478.15 and 351,976.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,645.62 : 1,607,478.15 = 351,976.82 : x
2. Step 2: Convert to fraction form
   1,071,645.62/1,607,478.15 = 351,976.82/x
3. Step 3: Cross multiply
   1,071,645.62x = 1,607,478.15 × 351,976.82
4. Step 4: Simplify right side
   1,071,645.62x = 565,795,047,456.48
5. Step 5: Solve for x
   x = 565,795,047,456.48/1,071,645.62
6. Step 6: Final answer
   x = 527,968.42