Finding the Fourth Proportional to 2,120,510, 2,926,905.45 and 1,249,850.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,510 : 2,926,905.45 = 1,249,850.72 : x
2. Step 2: Convert to fraction form
   2,120,510/2,926,905.45 = 1,249,850.72/x
3. Step 3: Cross multiply
   2,120,510x = 2,926,905.45 × 1,249,850.72
4. Step 4: Simplify right side
   2,120,510x = 3,658,194,884,054.42
5. Step 5: Solve for x
   x = 3,658,194,884,054.42/2,120,510
6. Step 6: Final answer
   x = 1,725,148.61