Finding the Fourth Proportional to 2,152,581.48, 2,970,548.64 and 1,185,689.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,581.48 : 2,970,548.64 = 1,185,689.34 : x
2. Step 2: Convert to fraction form
   2,152,581.48/2,970,548.64 = 1,185,689.34/x
3. Step 3: Cross multiply
   2,152,581.48x = 2,970,548.64 × 1,185,689.34
4. Step 4: Simplify right side
   2,152,581.48x = 3,522,147,856,399.50
5. Step 5: Solve for x
   x = 3,522,147,856,399.50/2,152,581.48
6. Step 6: Final answer
   x = 1,636,243.69