Finding the Fourth Proportional to 2,079,654.79, 2,869,431.77 and 1,207,971.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079,654.79 : 2,869,431.77 = 1,207,971.54 : x
2. Step 2: Convert to fraction form
   2,079,654.79/2,869,431.77 = 1,207,971.54/x
3. Step 3: Cross multiply
   2,079,654.79x = 2,869,431.77 × 1,207,971.54
4. Step 4: Simplify right side
   2,079,654.79x = 3,466,191,914,131.83
5. Step 5: Solve for x
   x = 3,466,191,914,131.83/2,079,654.79
6. Step 6: Final answer
   x = 1,666,715.04