Finding the Fourth Proportional to 5,693,749,138.86, 8,541,187,671.83 and 2,105,117,178.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,693,749,138.86 : 8,541,187,671.83 = 2,105,117,178.60 : x
2. Step 2: Convert to fraction form
   5,693,749,138.86/8,541,187,671.83 = 2,105,117,178.60/x
3. Step 3: Cross multiply
   5,693,749,138.86x = 8,541,187,671.83 × 2,105,117,178.60
4. Step 4: Simplify right side
   5,693,749,138.86x = 17,980,200,893,636,947,968
5. Step 5: Solve for x
   x = 17,980,200,893,636,947,968/5,693,749,138.86
6. Step 6: Final answer
   x = 3,157,884,278.91