Finding the Fourth Proportional to 57,859.90, 79,878.15 and 37,729.06

Step by Step Solution

1. Step 1: Write the proportion equation
   57,859.90 : 79,878.15 = 37,729.06 : x
2. Step 2: Convert to fraction form
   57,859.90/79,878.15 = 37,729.06/x
3. Step 3: Cross multiply
   57,859.90x = 79,878.15 × 37,729.06
4. Step 4: Simplify right side
   57,859.90x = 3,013,727,514.04
5. Step 5: Solve for x
   x = 3,013,727,514.04/57,859.90
6. Step 6: Final answer
   x = 52,086.64