Finding the Fourth Proportional to 3,439,665.48, 5,159,614.72 and 915,323.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,439,665.48 : 5,159,614.72 = 915,323.16 : x
2. Step 2: Convert to fraction form
   3,439,665.48/5,159,614.72 = 915,323.16/x
3. Step 3: Cross multiply
   3,439,665.48x = 5,159,614.72 × 915,323.16
4. Step 4: Simplify right side
   3,439,665.48x = 4,722,714,849,892.92
5. Step 5: Solve for x
   x = 4,722,714,849,892.92/3,439,665.48
6. Step 6: Final answer
   x = 1,373,015.74