Finding the Fourth Proportional to 2,638,814.32, 3,641,570.82 and 1,431,590.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638,814.32 : 3,641,570.82 = 1,431,590.32 : x
2. Step 2: Convert to fraction form
   2,638,814.32/3,641,570.82 = 1,431,590.32/x
3. Step 3: Cross multiply
   2,638,814.32x = 3,641,570.82 × 1,431,590.32
4. Step 4: Simplify right side
   2,638,814.32x = 5,213,237,535,506.46
5. Step 5: Solve for x
   x = 5,213,237,535,506.46/2,638,814.32
6. Step 6: Final answer
   x = 1,975,598.47