Finding the Fourth Proportional to 68,727.30, 103,130.58 and 37,137.42

Step by Step Solution

1. Step 1: Write the proportion equation
   68,727.30 : 103,130.58 = 37,137.42 : x
2. Step 2: Convert to fraction form
   68,727.30/103,130.58 = 37,137.42/x
3. Step 3: Cross multiply
   68,727.30x = 103,130.58 × 37,137.42
4. Step 4: Simplify right side
   68,727.30x = 3,830,003,664.30
5. Step 5: Solve for x
   x = 3,830,003,664.30/68,727.30
6. Step 6: Final answer
   x = 55,727.54