Finding the Fourth Proportional to 2,074,268, 3,111,926.88 and 578,360

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,268 : 3,111,926.88 = 578,360 : x
2. Step 2: Convert to fraction form
   2,074,268/3,111,926.88 = 578,360/x
3. Step 3: Cross multiply
   2,074,268x = 3,111,926.88 × 578,360
4. Step 4: Simplify right side
   2,074,268x = 1,799,814,030,316.80
5. Step 5: Solve for x
   x = 1,799,814,030,316.80/2,074,268
6. Step 6: Final answer
   x = 867,686.35