Finding the Fourth Proportional to 2,290,007.16, 3,160,308.60 and 1,271,412

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,007.16 : 3,160,308.60 = 1,271,412 : x
2. Step 2: Convert to fraction form
   2,290,007.16/3,160,308.60 = 1,271,412/x
3. Step 3: Cross multiply
   2,290,007.16x = 3,160,308.60 × 1,271,412
4. Step 4: Simplify right side
   2,290,007.16x = 4,018,054,277,743.20
5. Step 5: Solve for x
   x = 4,018,054,277,743.20/2,290,007.16
6. Step 6: Final answer
   x = 1,754,603.37