Finding the Fourth Proportional to 1,141,216.72, 1,574,859.84 and 631,908.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141,216.72 : 1,574,859.84 = 631,908.16 : x
2. Step 2: Convert to fraction form
   1,141,216.72/1,574,859.84 = 631,908.16/x
3. Step 3: Cross multiply
   1,141,216.72x = 1,574,859.84 × 631,908.16
4. Step 4: Simplify right side
   1,141,216.72x = 995,166,783,752.30
5. Step 5: Solve for x
   x = 995,166,783,752.30/1,141,216.72
6. Step 6: Final answer
   x = 872,022.61