Finding the Fourth Proportional to 1,092,961.40, 1,636,030.42 and 805,097.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092,961.40 : 1,636,030.42 = 805,097.54 : x
2. Step 2: Convert to fraction form
   1,092,961.40/1,636,030.42 = 805,097.54/x
3. Step 3: Cross multiply
   1,092,961.40x = 1,636,030.42 × 805,097.54
4. Step 4: Simplify right side
   1,092,961.40x = 1,317,164,068,584.50
5. Step 5: Solve for x
   x = 1,317,164,068,584.50/1,092,961.40
6. Step 6: Final answer
   x = 1,205,133.20