Finding the Fourth Proportional to 5,147,792.70, 7,721,654.40 and 1,309,582.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147,792.70 : 7,721,654.40 = 1,309,582.18 : x
2. Step 2: Convert to fraction form
   5,147,792.70/7,721,654.40 = 1,309,582.18/x
3. Step 3: Cross multiply
   5,147,792.70x = 7,721,654.40 × 1,309,582.18
4. Step 4: Simplify right side
   5,147,792.70x = 10,112,141,002,358.59
5. Step 5: Solve for x
   x = 10,112,141,002,358.59/5,147,792.70
6. Step 6: Final answer
   x = 1,964,364.46