Finding the Fourth Proportional to 2,069,178.72, 2,855,466 and 1,163,760

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069,178.72 : 2,855,466 = 1,163,760 : x
2. Step 2: Convert to fraction form
   2,069,178.72/2,855,466 = 1,163,760/x
3. Step 3: Cross multiply
   2,069,178.72x = 2,855,466 × 1,163,760
4. Step 4: Simplify right side
   2,069,178.72x = 3,323,077,112,160
5. Step 5: Solve for x
   x = 3,323,077,112,160/2,069,178.72
6. Step 6: Final answer
   x = 1,605,988.44