Finding the Fourth Proportional to 1,012,300.84, 1,397,188.74 and 842,369.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,300.84 : 1,397,188.74 = 842,369.32 : x
2. Step 2: Convert to fraction form
   1,012,300.84/1,397,188.74 = 842,369.32/x
3. Step 3: Cross multiply
   1,012,300.84x = 1,397,188.74 × 842,369.32
4. Step 4: Simplify right side
   1,012,300.84x = 1,176,948,928,825.46
5. Step 5: Solve for x
   x = 1,176,948,928,825.46/1,012,300.84
6. Step 6: Final answer
   x = 1,162,647.39