Finding the Fourth Proportional to 52,276.24, 72,142.68 and 30,767.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,276.24 : 72,142.68 = 30,767.50 : x
2. Step 2: Convert to fraction form
   52,276.24/72,142.68 = 30,767.50/x
3. Step 3: Cross multiply
   52,276.24x = 72,142.68 × 30,767.50
4. Step 4: Simplify right side
   52,276.24x = 2,219,649,906.90
5. Step 5: Solve for x
   x = 2,219,649,906.90/52,276.24
6. Step 6: Final answer
   x = 42,460.01