Finding the Fourth Proportional to 2,074,300, 3,111,974.88 and 578,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,300 : 3,111,974.88 = 578,392 : x
2. Step 2: Convert to fraction form
   2,074,300/3,111,974.88 = 578,392/x
3. Step 3: Cross multiply
   2,074,300x = 3,111,974.88 × 578,392
4. Step 4: Simplify right side
   2,074,300x = 1,799,941,374,792.96
5. Step 5: Solve for x
   x = 1,799,941,374,792.96/2,074,300
6. Step 6: Final answer
   x = 867,734.36