Finding the Fourth Proportional to 2,142,718.55, 2,956,806.01 and 1,175,911.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,718.55 : 2,956,806.01 = 1,175,911.12 : x
2. Step 2: Convert to fraction form
   2,142,718.55/2,956,806.01 = 1,175,911.12/x
3. Step 3: Cross multiply
   2,142,718.55x = 2,956,806.01 × 1,175,911.12
4. Step 4: Simplify right side
   2,142,718.55x = 3,476,941,072,007.73
5. Step 5: Solve for x
   x = 3,476,941,072,007.73/2,142,718.55
6. Step 6: Final answer
   x = 1,622,677.45