Finding the Fourth Proportional to 52,245.27, 72,120.54 and 35,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,245.27 : 72,120.54 = 35,272.50 : x
2. Step 2: Convert to fraction form
   52,245.27/72,120.54 = 35,272.50/x
3. Step 3: Cross multiply
   52,245.27x = 72,120.54 × 35,272.50
4. Step 4: Simplify right side
   52,245.27x = 2,543,871,764.42
5. Step 5: Solve for x
   x = 2,543,871,764.42/52,245.27
6. Step 6: Final answer
   x = 48,690.95