Finding the Fourth Proportional to 2,104,890.78, 2,904,748.50 and 1,138,020.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104,890.78 : 2,904,748.50 = 1,138,020.78 : x
2. Step 2: Convert to fraction form
   2,104,890.78/2,904,748.50 = 1,138,020.78/x
3. Step 3: Cross multiply
   2,104,890.78x = 2,904,748.50 × 1,138,020.78
4. Step 4: Simplify right side
   2,104,890.78x = 3,305,664,153,673.83
5. Step 5: Solve for x
   x = 3,305,664,153,673.83/2,104,890.78
6. Step 6: Final answer
   x = 1,570,468.26