Finding the Fourth Proportional to 2,074,296, 3,111,968.88 and 578,388

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,296 : 3,111,968.88 = 578,388 : x
2. Step 2: Convert to fraction form
   2,074,296/3,111,968.88 = 578,388/x
3. Step 3: Cross multiply
   2,074,296x = 3,111,968.88 × 578,388
4. Step 4: Simplify right side
   2,074,296x = 1,799,925,456,565.44
5. Step 5: Solve for x
   x = 1,799,925,456,565.44/2,074,296
6. Step 6: Final answer
   x = 867,728.36