Finding the Fourth Proportional to 52,659.18, 79,015.50 and 30,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,659.18 : 79,015.50 = 30,492.72 : x
2. Step 2: Convert to fraction form
   52,659.18/79,015.50 = 30,492.72/x
3. Step 3: Cross multiply
   52,659.18x = 79,015.50 × 30,492.72
4. Step 4: Simplify right side
   52,659.18x = 2,409,397,517.16
5. Step 5: Solve for x
   x = 2,409,397,517.16/52,659.18
6. Step 6: Final answer
   x = 45,754.56