Finding the Fourth Proportional to 3,902,105.31, 5,853,716.18 and 1,206,638.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902,105.31 : 5,853,716.18 = 1,206,638.39 : x
2. Step 2: Convert to fraction form
   3,902,105.31/5,853,716.18 = 1,206,638.39/x
3. Step 3: Cross multiply
   3,902,105.31x = 5,853,716.18 × 1,206,638.39
4. Step 4: Simplify right side
   3,902,105.31x = 7,063,318,631,650.38
5. Step 5: Solve for x
   x = 7,063,318,631,650.38/3,902,105.31
6. Step 6: Final answer
   x = 1,810,130.19