Finding the Fourth Proportional to 2,013,438.72, 2,778,545.84 and 1,108,020.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013,438.72 : 2,778,545.84 = 1,108,020.72 : x
2. Step 2: Convert to fraction form
   2,013,438.72/2,778,545.84 = 1,108,020.72/x
3. Step 3: Cross multiply
   2,013,438.72x = 2,778,545.84 × 1,108,020.72
4. Step 4: Simplify right side
   2,013,438.72x = 3,078,686,362,189.81
5. Step 5: Solve for x
   x = 3,078,686,362,189.81/2,013,438.72
6. Step 6: Final answer
   x = 1,529,068.82