Finding the Fourth Proportional to 1,012,300.34, 1,397,188.05 and 842,368.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,300.34 : 1,397,188.05 = 842,368.82 : x
2. Step 2: Convert to fraction form
   1,012,300.34/1,397,188.05 = 842,368.82/x
3. Step 3: Cross multiply
   1,012,300.34x = 1,397,188.05 × 842,368.82
4. Step 4: Simplify right side
   1,012,300.34x = 1,176,947,648,996.60
5. Step 5: Solve for x
   x = 1,176,947,648,996.60/1,012,300.34
6. Step 6: Final answer
   x = 1,162,646.70