Finding the Fourth Proportional to 1,443,214,068.51, 1,991,635,414.73 and 783,164,346.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,214,068.51 : 1,991,635,414.73 = 783,164,346.51 : x
2. Step 2: Convert to fraction form
   1,443,214,068.51/1,991,635,414.73 = 783,164,346.51/x
3. Step 3: Cross multiply
   1,443,214,068.51x = 1,991,635,414.73 × 783,164,346.51
4. Step 4: Simplify right side
   1,443,214,068.51x = 1,559,777,848,063,070,464
5. Step 5: Solve for x
   x = 1,559,777,848,063,070,464/1,443,214,068.51
6. Step 6: Final answer
   x = 1,080,766,798.28