Finding the Fourth Proportional to 1,145,419.84, 1,718,118.82 and 696,264.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,419.84 : 1,718,118.82 = 696,264.72 : x
2. Step 2: Convert to fraction form
   1,145,419.84/1,718,118.82 = 696,264.72/x
3. Step 3: Cross multiply
   1,145,419.84x = 1,718,118.82 × 696,264.72
4. Step 4: Simplify right side
   1,145,419.84x = 1,196,265,519,134.03
5. Step 5: Solve for x
   x = 1,196,265,519,134.03/1,145,419.84
6. Step 6: Final answer
   x = 1,044,390.43