Finding the Fourth Proportional to 2,496,460.88, 3,745,080.12 and 813,172.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,496,460.88 : 3,745,080.12 = 813,172.88 : x
2. Step 2: Convert to fraction form
   2,496,460.88/3,745,080.12 = 813,172.88/x
3. Step 3: Cross multiply
   2,496,460.88x = 3,745,080.12 × 813,172.88
4. Step 4: Simplify right side
   2,496,460.88x = 3,045,397,587,011.15
5. Step 5: Solve for x
   x = 3,045,397,587,011.15/2,496,460.88
6. Step 6: Final answer
   x = 1,219,885.96