Finding the Fourth Proportional to 137,997.27, 190,469.76 and 84,327.48

Step by Step Solution

1. Step 1: Write the proportion equation
   137,997.27 : 190,469.76 = 84,327.48 : x
2. Step 2: Convert to fraction form
   137,997.27/190,469.76 = 84,327.48/x
3. Step 3: Cross multiply
   137,997.27x = 190,469.76 × 84,327.48
4. Step 4: Simplify right side
   137,997.27x = 16,061,834,877.00
5. Step 5: Solve for x
   x = 16,061,834,877.00/137,997.27
6. Step 6: Final answer
   x = 116,392.41