Finding the Fourth Proportional to 1,129,969,123.60, 1,696,036,104.60 and 585,101,693.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,969,123.60 : 1,696,036,104.60 = 585,101,693.20 : x
2. Step 2: Convert to fraction form
   1,129,969,123.60/1,696,036,104.60 = 585,101,693.20/x
3. Step 3: Cross multiply
   1,129,969,123.60x = 1,696,036,104.60 × 585,101,693.20
4. Step 4: Simplify right side
   1,129,969,123.60x = 992,353,596,529,792,384
5. Step 5: Solve for x
   x = 992,353,596,529,792,384/1,129,969,123.60
6. Step 6: Final answer
   x = 878,213,019.99