Finding the Fourth Proportional to 2,074,440, 3,112,185.12 and 578,532

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,440 : 3,112,185.12 = 578,532 : x
2. Step 2: Convert to fraction form
   2,074,440/3,112,185.12 = 578,532/x
3. Step 3: Cross multiply
   2,074,440x = 3,112,185.12 × 578,532
4. Step 4: Simplify right side
   2,074,440x = 1,800,498,681,843.84
5. Step 5: Solve for x
   x = 1,800,498,681,843.84/2,074,440
6. Step 6: Final answer
   x = 867,944.45