Finding the Fourth Proportional to 1,443,214,081.56, 1,991,635,432.68 and 783,164,359.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,214,081.56 : 1,991,635,432.68 = 783,164,359.56 : x
2. Step 2: Convert to fraction form
   1,443,214,081.56/1,991,635,432.68 = 783,164,359.56/x
3. Step 3: Cross multiply
   1,443,214,081.56x = 1,991,635,432.68 × 783,164,359.56
4. Step 4: Simplify right side
   1,443,214,081.56x = 1,559,777,888,111,835,648
5. Step 5: Solve for x
   x = 1,559,777,888,111,835,648/1,443,214,081.56
6. Step 6: Final answer
   x = 1,080,766,816.26