Finding the Fourth Proportional to 2,299,012.89, 3,172,885.86 and 1,266,626.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299,012.89 : 3,172,885.86 = 1,266,626.17 : x
2. Step 2: Convert to fraction form
   2,299,012.89/3,172,885.86 = 1,266,626.17/x
3. Step 3: Cross multiply
   2,299,012.89x = 3,172,885.86 × 1,266,626.17
4. Step 4: Simplify right side
   2,299,012.89x = 4,018,860,264,698.96
5. Step 5: Solve for x
   x = 4,018,860,264,698.96/2,299,012.89
6. Step 6: Final answer
   x = 1,748,080.79