Finding the Fourth Proportional to 578,111.76, 798,026.04 and 381,849.84

Step by Step Solution

1. Step 1: Write the proportion equation
   578,111.76 : 798,026.04 = 381,849.84 : x
2. Step 2: Convert to fraction form
   578,111.76/798,026.04 = 381,849.84/x
3. Step 3: Cross multiply
   578,111.76x = 798,026.04 × 381,849.84
4. Step 4: Simplify right side
   578,111.76x = 304,726,115,689.83
5. Step 5: Solve for x
   x = 304,726,115,689.83/578,111.76
6. Step 6: Final answer
   x = 527,105.89