Finding the Fourth Proportional to 68,718.27, 103,117.05 and 37,128.43

Step by Step Solution

1. Step 1: Write the proportion equation
   68,718.27 : 103,117.05 = 37,128.43 : x
2. Step 2: Convert to fraction form
   68,718.27/103,117.05 = 37,128.43/x
3. Step 3: Cross multiply
   68,718.27x = 103,117.05 × 37,128.43
4. Step 4: Simplify right side
   68,718.27x = 3,828,573,721.59
5. Step 5: Solve for x
   x = 3,828,573,721.59/68,718.27
6. Step 6: Final answer
   x = 55,714.06