Finding the Fourth Proportional to 671,092.32, 926,145.72 and 384,660.12

Step by Step Solution

1. Step 1: Write the proportion equation
   671,092.32 : 926,145.72 = 384,660.12 : x
2. Step 2: Convert to fraction form
   671,092.32/926,145.72 = 384,660.12/x
3. Step 3: Cross multiply
   671,092.32x = 926,145.72 × 384,660.12
4. Step 4: Simplify right side
   671,092.32x = 356,251,323,792.69
5. Step 5: Solve for x
   x = 356,251,323,792.69/671,092.32
6. Step 6: Final answer
   x = 530,852.93