Finding the Fourth Proportional to 65,820.71, 98,641.60 and 27,838.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,820.71 : 98,641.60 = 27,838.42 : x
2. Step 2: Convert to fraction form
   65,820.71/98,641.60 = 27,838.42/x
3. Step 3: Cross multiply
   65,820.71x = 98,641.60 × 27,838.42
4. Step 4: Simplify right side
   65,820.71x = 2,746,026,290.27
5. Step 5: Solve for x
   x = 2,746,026,290.27/65,820.71
6. Step 6: Final answer
   x = 41,719.79