Finding the Fourth Proportional to 2,120,508, 2,926,902.69 and 1,249,848.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,508 : 2,926,902.69 = 1,249,848.72 : x
2. Step 2: Convert to fraction form
   2,120,508/2,926,902.69 = 1,249,848.72/x
3. Step 3: Cross multiply
   2,120,508x = 2,926,902.69 × 1,249,848.72
4. Step 4: Simplify right side
   2,120,508x = 3,658,185,580,661.06
5. Step 5: Solve for x
   x = 3,658,185,580,661.06/2,120,508
6. Step 6: Final answer
   x = 1,725,145.85