Finding the Fourth Proportional to 2,074,248, 3,111,896.88 and 578,340

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,248 : 3,111,896.88 = 578,340 : x
2. Step 2: Convert to fraction form
   2,074,248/3,111,896.88 = 578,340/x
3. Step 3: Cross multiply
   2,074,248x = 3,111,896.88 × 578,340
4. Step 4: Simplify right side
   2,074,248x = 1,799,734,441,579.20
5. Step 5: Solve for x
   x = 1,799,734,441,579.20/2,074,248
6. Step 6: Final answer
   x = 867,656.35