Finding the Fourth Proportional to 3,111,448, 4,667,959.32 and 867,586

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111,448 : 4,667,959.32 = 867,586 : x
2. Step 2: Convert to fraction form
   3,111,448/4,667,959.32 = 867,586/x
3. Step 3: Cross multiply
   3,111,448x = 4,667,959.32 × 867,586
4. Step 4: Simplify right side
   3,111,448x = 4,049,856,154,601.52
5. Step 5: Solve for x
   x = 4,049,856,154,601.52/3,111,448
6. Step 6: Final answer
   x = 1,301,598.53