Finding the Fourth Proportional to 60,705.99, 91,067.31 and 20,714.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,705.99 : 91,067.31 = 20,714.25 : x
2. Step 2: Convert to fraction form
   60,705.99/91,067.31 = 20,714.25/x
3. Step 3: Cross multiply
   60,705.99x = 91,067.31 × 20,714.25
4. Step 4: Simplify right side
   60,705.99x = 1,886,391,026.17
5. Step 5: Solve for x
   x = 1,886,391,026.17/60,705.99
6. Step 6: Final answer
   x = 31,074.22