Finding the Fourth Proportional to 2,079,674.32, 2,869,458.72 and 1,207,991.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079,674.32 : 2,869,458.72 = 1,207,991.08 : x
2. Step 2: Convert to fraction form
   2,079,674.32/2,869,458.72 = 1,207,991.08/x
3. Step 3: Cross multiply
   2,079,674.32x = 2,869,458.72 × 1,207,991.08
4. Step 4: Simplify right side
   2,079,674.32x = 3,466,280,538,188.22
5. Step 5: Solve for x
   x = 3,466,280,538,188.22/2,079,674.32
6. Step 6: Final answer
   x = 1,666,742.00