Finding the Fourth Proportional to 60,714.24, 91,074.60 and 19,158

Step by Step Solution

1. Step 1: Write the proportion equation
   60,714.24 : 91,074.60 = 19,158 : x
2. Step 2: Convert to fraction form
   60,714.24/91,074.60 = 19,158/x
3. Step 3: Cross multiply
   60,714.24x = 91,074.60 × 19,158
4. Step 4: Simplify right side
   60,714.24x = 1,744,807,186.80
5. Step 5: Solve for x
   x = 1,744,807,186.80/60,714.24
6. Step 6: Final answer
   x = 28,738.02