Finding the Fourth Proportional to 1,605,097.28, 2,215,020.12 and 879,931.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,097.28 : 2,215,020.12 = 879,931.82 : x
2. Step 2: Convert to fraction form
   1,605,097.28/2,215,020.12 = 879,931.82/x
3. Step 3: Cross multiply
   1,605,097.28x = 2,215,020.12 × 879,931.82
4. Step 4: Simplify right side
   1,605,097.28x = 1,949,066,685,528.22
5. Step 5: Solve for x
   x = 1,949,066,685,528.22/1,605,097.28
6. Step 6: Final answer
   x = 1,214,298.17