Finding the Fourth Proportional to 2,538,007.38, 3,502,431.09 and 1,392,079.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,007.38 : 3,502,431.09 = 1,392,079.59 : x
2. Step 2: Convert to fraction form
   2,538,007.38/3,502,431.09 = 1,392,079.59/x
3. Step 3: Cross multiply
   2,538,007.38x = 3,502,431.09 × 1,392,079.59
4. Step 4: Simplify right side
   2,538,007.38x = 4,875,662,835,770.45
5. Step 5: Solve for x
   x = 4,875,662,835,770.45/2,538,007.38
6. Step 6: Final answer
   x = 1,921,059.36