Finding the Fourth Proportional to 2,166,564.32, 2,990,196.24 and 1,236,273.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,564.32 : 2,990,196.24 = 1,236,273.92 : x
2. Step 2: Convert to fraction form
   2,166,564.32/2,990,196.24 = 1,236,273.92/x
3. Step 3: Cross multiply
   2,166,564.32x = 2,990,196.24 × 1,236,273.92
4. Step 4: Simplify right side
   2,166,564.32x = 3,696,701,627,194.06
5. Step 5: Solve for x
   x = 3,696,701,627,194.06/2,166,564.32
6. Step 6: Final answer
   x = 1,706,250.58