Finding the Fourth Proportional to 2,638,820.32, 3,641,579.10 and 1,431,596.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638,820.32 : 3,641,579.10 = 1,431,596.32 : x
2. Step 2: Convert to fraction form
   2,638,820.32/3,641,579.10 = 1,431,596.32/x
3. Step 3: Cross multiply
   2,638,820.32x = 3,641,579.10 × 1,431,596.32
4. Step 4: Simplify right side
   2,638,820.32x = 5,213,271,238,548.91
5. Step 5: Solve for x
   x = 5,213,271,238,548.91/2,638,820.32
6. Step 6: Final answer
   x = 1,975,606.75