Finding the Fourth Proportional to 865,564.84, 1,194,812.82 and 774,760.60

Step by Step Solution

1. Step 1: Write the proportion equation
   865,564.84 : 1,194,812.82 = 774,760.60 : x
2. Step 2: Convert to fraction form
   865,564.84/1,194,812.82 = 774,760.60/x
3. Step 3: Cross multiply
   865,564.84x = 1,194,812.82 × 774,760.60
4. Step 4: Simplify right side
   865,564.84x = 925,693,897,310.89
5. Step 5: Solve for x
   x = 925,693,897,310.89/865,564.84
6. Step 6: Final answer
   x = 1,069,468.00