Finding the Fourth Proportional to 2,638,826.32, 3,641,587.40 and 1,431,602.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638,826.32 : 3,641,587.40 = 1,431,602.32 : x
2. Step 2: Convert to fraction form
   2,638,826.32/3,641,587.40 = 1,431,602.32/x
3. Step 3: Cross multiply
   2,638,826.32x = 3,641,587.40 × 1,431,602.32
4. Step 4: Simplify right side
   2,638,826.32x = 5,213,304,970,322.77
5. Step 5: Solve for x
   x = 5,213,304,970,322.77/2,638,826.32
6. Step 6: Final answer
   x = 1,975,615.04