Finding the Fourth Proportional to 1,087,969.18, 1,500,931.72 and 679,361.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,969.18 : 1,500,931.72 = 679,361.62 : x
2. Step 2: Convert to fraction form
   1,087,969.18/1,500,931.72 = 679,361.62/x
3. Step 3: Cross multiply
   1,087,969.18x = 1,500,931.72 × 679,361.62
4. Step 4: Simplify right side
   1,087,969.18x = 1,019,675,404,808.59
5. Step 5: Solve for x
   x = 1,019,675,404,808.59/1,087,969.18
6. Step 6: Final answer
   x = 937,228.21