Finding the Fourth Proportional to 2,175,017.76, 3,001,128.78 and 1,256,910.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,017.76 : 3,001,128.78 = 1,256,910.42 : x
2. Step 2: Convert to fraction form
   2,175,017.76/3,001,128.78 = 1,256,910.42/x
3. Step 3: Cross multiply
   2,175,017.76x = 3,001,128.78 × 1,256,910.42
4. Step 4: Simplify right side
   2,175,017.76x = 3,772,150,035,343.89
5. Step 5: Solve for x
   x = 3,772,150,035,343.89/2,175,017.76
6. Step 6: Final answer
   x = 1,734,307.69