Finding the Fourth Proportional to 1,143,061.02, 1,714,781.07 and 384,966.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,061.02 : 1,714,781.07 = 384,966.63 : x
2. Step 2: Convert to fraction form
   1,143,061.02/1,714,781.07 = 384,966.63/x
3. Step 3: Cross multiply
   1,143,061.02x = 1,714,781.07 × 384,966.63
4. Step 4: Simplify right side
   1,143,061.02x = 660,133,489,705.69
5. Step 5: Solve for x
   x = 660,133,489,705.69/1,143,061.02
6. Step 6: Final answer
   x = 577,513.78