Finding the Fourth Proportional to 1,443,276,447.39, 1,991,721,496.83 and 783,226,725.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,276,447.39 : 1,991,721,496.83 = 783,226,725.39 : x
2. Step 2: Convert to fraction form
   1,443,276,447.39/1,991,721,496.83 = 783,226,725.39/x
3. Step 3: Cross multiply
   1,443,276,447.39x = 1,991,721,496.83 × 783,226,725.39
4. Step 4: Simplify right side
   1,443,276,447.39x = 1,559,969,505,851,030,016
5. Step 5: Solve for x
   x = 1,559,969,505,851,030,016/1,443,276,447.39
6. Step 6: Final answer
   x = 1,080,852,880.73