Finding the Fourth Proportional to 2,639,255.25, 3,642,191.69 and 1,432,031.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,255.25 : 3,642,191.69 = 1,432,031.25 : x
2. Step 2: Convert to fraction form
   2,639,255.25/3,642,191.69 = 1,432,031.25/x
3. Step 3: Cross multiply
   2,639,255.25x = 3,642,191.69 × 1,432,031.25
4. Step 4: Simplify right side
   2,639,255.25x = 5,215,732,318,570.31
5. Step 5: Solve for x
   x = 5,215,732,318,570.31/2,639,255.25
6. Step 6: Final answer
   x = 1,976,213.68