Finding the Fourth Proportional to 2,648,107.08, 3,971,569.45 and 1,227,978.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,107.08 : 3,971,569.45 = 1,227,978.63 : x
2. Step 2: Convert to fraction form
   2,648,107.08/3,971,569.45 = 1,227,978.63/x
3. Step 3: Cross multiply
   2,648,107.08x = 3,971,569.45 × 1,227,978.63
4. Step 4: Simplify right side
   2,648,107.08x = 4,877,002,412,160.85
5. Step 5: Solve for x
   x = 4,877,002,412,160.85/2,648,107.08
6. Step 6: Final answer
   x = 1,841,693.81