Finding the Fourth Proportional to 2,074,266, 3,111,923.88 and 578,358

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,266 : 3,111,923.88 = 578,358 : x
2. Step 2: Convert to fraction form
   2,074,266/3,111,923.88 = 578,358/x
3. Step 3: Cross multiply
   2,074,266x = 3,111,923.88 × 578,358
4. Step 4: Simplify right side
   2,074,266x = 1,799,806,071,389.04
5. Step 5: Solve for x
   x = 1,799,806,071,389.04/2,074,266
6. Step 6: Final answer
   x = 867,683.35