Finding the Fourth Proportional to 2,152,382.39, 2,970,287.62 and 1,185,512.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,382.39 : 2,970,287.62 = 1,185,512.72 : x
2. Step 2: Convert to fraction form
   2,152,382.39/2,970,287.62 = 1,185,512.72/x
3. Step 3: Cross multiply
   2,152,382.39x = 2,970,287.62 × 1,185,512.72
4. Step 4: Simplify right side
   2,152,382.39x = 3,521,313,737,753.31
5. Step 5: Solve for x
   x = 3,521,313,737,753.31/2,152,382.39
6. Step 6: Final answer
   x = 1,636,007.50